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HOMEHOME > Sustainability > Efforts to address the problem of harmful substances

Initiatives for the problem of hazardous substances

We will introduce domestic and international safety standards regarding harmful substances that may be contained in our products, as well as our quality control system and efforts in response to these standards.
You can view the analysis results data of our products here.

Daioh Seisakusho is actively promoting the shift to lead-free products, but in 2006, we experienced an incident in which lead was found in parts imported from a factory in China as lead-free products (although the parts had passed the preliminary inspection at the time the imports began). As a result, in order to strengthen the acceptance inspections at the time of each import and pre-shipment inspection, we have installed fluorescent X-ray analyzers in-house and conduct sampling inspections as necessary to ensure quality assurance.

In addition, we have established a system that allows us to immediately report the results of content testing using an X-ray fluorescence analyzer for the four metal substances subject to the RoHS2 Directive, including lead, upon request from customers.

Our approach to harmful substances

The Food Sanitation Act has finally been partially revised in Japan, and restrictions on lead have been put in place for products manufactured or imported after October 20, 10, including products that previously had no restrictions (metal toys containing small parts that may be swallowed by infants).

We will continue to actively promote lead-free products as a voluntary regulation, not limited to this regulation (infants).

Regarding the problem of lead contained in our metal accessories

A series of reports about the problem of high levels of lead in metal accessories give the impression that lead is mostly found in imported products, especially those made in China, and cheap products for children, but in reality it depends on the manufacturing process used.

However, due to revisions to the Food Sanitation Act, only "toys used as accessories by infants" that may be harmful to the health of infants if they come into contact with them, have become subject to regulation for items manufactured or imported after October 20st, 10.Unfortunately, awareness of lead is lacking among manufacturers, sellers, and consumers, and even in Japan metal products that use materials and manufacturing processes that contain a lot of lead are still widely manufactured and distributed, and this is not limited to metal accessories for children.

We will take this opportunity to change our perception of lead, strive to understand the amount of lead contained in our products, and raise awareness of the lead content of these products and how they should be handled. At the same time, we will continue to develop manufacturing methods and products aimed at making lead-free, regardless of whether they are subject to regulation or not.

Alternative manufacturing method for the two major manufacturing methods containing lead.

Manufacturing method Lead content Features Reference example Alternative proposal Substitute product analysis results
Rubber cast Low metal: around 90%
High Meta: Around 5%
Since it is molded using a rubber mold, it is inexpensive and can be used in small lots (from around 100).
The material is a low-cost lead-tin alloy with a low melting point.
Rubber cast reference example

By using lead-free materials, rubber molds can be used as usual.
However, the cost of materials will be about twice as much as before. It has already been commercialized.

Rubber cast alternative product analysis results
Brass cutting
Hikimono
2-3% Among our products made from brass (an alloy of copper and zinc), accessory parts that are formed by cutting out rods contain a few percent of lead to improve machinability. Brass cutting process (Hikimono) Reference example

We can provide lead-free bismuth-based materials with improved machinability by adding bismuth (0.5-4.0%) instead of lead.

Brass cutting (Hikimono) alternative
Brass cutting (Hikimono) alternative product analysis results
Brass cutting process (Hikimono) Reference example

Regarding the strap part of the mobile phone strap (commonly known as Matsuba), it is being manufactured and sold by changing the shape to a lead-free material.

Brass cutting (Hikimono) alternative
Brass cutting (Hikimono) alternative product analysis results

Lead content: CPSC limit is 0.06%

Lead contained in rhinestones (Swarovski crystal glass, etc.)

Rhinestones (deco phones) are popular these days, but the so-called crystal glass rhinestones that are commonly sold contain lead.
However, if you are aware of the RoHS regulations, it is clearly stated that lead contained in general crystal glass, including that made by Swarovski, is exempt from the application of Annex 69 (Categories 493, 1, 1 and 2) of Directive 3/4/ECC (Note).

Rhinestone type Lead content RoHS compliant
Swarovski
There
Swarovski crystal glass has colors that do not match the colors excluded from the scope of RoHS.
General crystal glass
There
?
Since general crystal glass varies depending on the manufacturer, please contact the manufacturer for colors that are not covered by the RoHS coverage.
Zirconia
None
As a result of surveying the content of lead, etc., we found that it complies with the RoHS regulation.
ア ク リ ル
None
As a result of surveying the content of lead, etc., we found that it complies with the RoHS regulation.

List of press releases on the problem of high lead content in metal accessories

Date Jurisdiction Message Link
December 18, 3 Tokyo Metropolitan Department of Life and Culture
Consumer Affairs Department Life Safety Division
Based on Article 9 of the Tokyo Metropolitan Consumer Affairs Ordinance, the Tokyo Metropolitan Government conducted a "Survey on the safety of heavy metals contained in metal accessories, etc."
As a result, the metal accessories available on the market※ 1It has become clear that some of these contain harmful lead.
However, there are currently no regulations regarding lead in metal accessories in Japan.
Therefore, we would like to inform you that we have made an urgent proposal to the country today to prevent harm.
In addition, in the futureCalling attention to consumersto hold.
(The above is an excerpt from a press release from the Tokyo Metropolitan Government.)
Investigation on safety of heavy metals contained in metal accessories
December 18, 3 Ministry of Health, Labor and Welfare
Examination Management Division Chemical Substance Safety Office
On March 3th of this year, the Tokyo Metropolitan Government's Bureau of Life and Cultural Affairs announced the results of a survey on the safety of heavy metals contained in metal accessories and other products. The survey revealed that some metal accessories and other products distributed in Japan contain high concentrations of lead. In light of this, we would like to inform you that we have issued the attached notice to related organizations to thoroughly grasp the lead content of these products.
(The above is an excerpt from the Ministry of Health, Labor and Welfare's notification materials.)
Issuance of notice regarding lead contained in metal accessories
December 18, 4 Ministry of Economy, Trade and Industry and Ministry of Health, Labor and Welfare The Ministry of Economy, Trade and Industry and the Ministry of Health, Labour and Welfare have recently conducted a survey on the actual manufacturing and sales of lead-containing metal accessories, and by April 4th, we had received responses from 20 organizations and 23 companies. As a result, we will announce our response.
(The above is an excerpt from a press release from the Ministry of Economy, Trade and Industry.)
About the fact-finding survey on metal accessories containing lead
December 18, 6 Ministry of Health, Labor and Welfare
Examination Management Division Chemical Substance Safety Office
The Ministry of Health, Labor and Welfare will hold the first study meeting on June 18, 6 (Tuesday) by experts on "Safety measures for metal accessories containing lead". About holding of the 1st study meeting on safety measures for lead-containing metal accessories
December 19, 1 Ministry of Health, Labor and Welfare
Examination Management Division Chemical Substance Safety Office
On Thursday, January 19, 1, the fourth expert meeting was held to discuss "studying safety measures for lead-containing metal accessories, etc." The 4th Study Meeting on Safety Measures for Lead-containing Metal Accessories
December 19, 2 Ministry of Health, Labor and Welfare
Examination Management Division Chemical Substance Safety Office
The report was published on February 19, 2 (Friday), entitled "Report of Study Group on Safety Measures for Lead-containing Metal Accessories". Report of Study Group on Safety Measures for Lead-containing Metal Accessories
December 19, 10 Ministry of Health, Labor and Welfare
Pharmaceutical Affairs and Food Sanitation Council
Food Hygiene Subcommittee Equipment/Containers and Packaging Subcommittee
The October 19th, 10 (Monday) edition of Nikkei MJ featured an article titled "Strengthening safety standards for infant toys: leaching standards for all 'paints'" which reported that the Ministry of Health, Labour and Welfare will strengthen the standards of the Food Sanitation Act, which stipulates the substances that cannot be used on toys for infants and young children, and will set new safety standards for the leaching of heavy metals and other substances for "paint" in general and for "metal toy accessories."
When we checked with the Apparatus, Containers and Packaging Section of the Standards Inspection Division, Food Safety Department, Pharmaceuticals and Food Safety Bureau of the Ministry of Health, Labor and Welfare, we were told that the revision is still in the stage of discussion in a subcommittee, and that a report will be compiled by the end of the year, with a certain grace period set for the law to be enacted next year.
About the holding of the Pharmaceutical Affairs and Food Hygiene Council Food Hygiene Subcommittee Equipment and Containers and Packaging Subcommittee
December 19, 12 Ministry of Health, Labor and Welfare
Pharmaceutical Affairs and Food Sanitation Council
Food Hygiene Subcommittee Equipment/Containers and Packaging Subcommittee
The Asahi Shimbun dated Thursday, December 19th, 12, featured an article titled ``Strengthening Monitoring of Imported Toys,'' stating that the Ministry of Health, Labor and Welfare has decided to strengthen monitoring of imported toys for infants and young children, revising the provisions of the Food Sanitation Act and requiring importers to test the paint of imported toy products that infants may put in their mouths to make sure that they do not contain harmful substances that exceed standards.
Importers will be required to check safety and take measures such as recalling products if any problems arise.
In particular, paint will be required to be tested to prove that it does not contain harmful substances such as lead in certain amounts.
Related Documents

Lead regulation

About the US Consumer Product Safety Commission (CPSC)

The CPSC (The US Consumer Product Safety Commission) is a central governmental organization established in 1972 with the purpose of protecting the public from the unreasonable risk of injury and death related to consumer products in accordance with the Consumer Product Safety Law.

Regarding lead, in 2004, we confirmed a case in which a child who swallowed a treasure containing lead had serious health effects.After that, we conducted a survey analysis, and the CPSC released the results in February 2005. , Set out an interim policy to reduce the potential health risks from lead to children. In that tentative policyLead content is 0.06% (600ppm),175 μg of lead elutionThe limit content value is shown.
Note) μ = micro means 10-6That thing. 1 μg is 0.000001 g

Postscript: To prohibit the use of lead in toys
On August 2008, 8, President Bush signed a bill prohibiting the use of lead in children's toys under the age of 14.
The new law that was enacted will include the installation of a new institution to inspect the quality of products by 2014.

What is the RoHS Directive?

It prohibits the import and sale of electronic devices containing 25 substances that are harmful to the human body in all 6 EU countries. It came into effect on July 2006, 7, and has been enforced until now after the revision in June 1. It has been.

RoHS is an abbreviation for “Restriction of the use of certain hazadous substances in electrical and electronic equipment”, and the target electronic devices are TVs, radios, white goods and personal computers.

Although the metal accessory products we handle seem to be unrelated at first glance, they are actually used as mounting brackets and parts for electronic device products, so they comply with regulations from EU export-related companies. The needs are increasing.

What are the 10 hazardous substances in the Directive?
1.Pb (lead) The limit of content is 0.1% (1000ppm) or less by weight of each part.
2.Hg (Mercury) The limit of content is 0.1% (1000ppm) or less by weight of each part.
3.Cd (Cadmium) The limit of content is 0.01% (100ppm) or less by weight of each part.
4.Cr (Hexavalent Chromium) The limit of content is 0.1% (1000ppm) or less by weight of each part.
5.PBB(Polybrominated biphenyls)The limit of content is 0.1% (1000ppm) or less by weight of each part.
6.PBDE(Polybrominated diphenyl ethers)The limit of content is 0.1% (1000ppm) or less by weight of each part.
7.DEHP(Diethylhexyl phthalate)The limit of content is 0.1% (1000ppm) or less by weight of each part.
8.DBP(Dibutyl phthalate)The limit of content is 0.1% (1000ppm) or less by weight of each part.
9.BBP(Butylbenzyl phthalate)The limit of content is 0.1% (1000ppm) or less by weight of each part.
10.DIBP(Diisobutyl phthalate)The limit of content is 0.1% (1000ppm) or less by weight of each part.

What is EN71 (European Toy Safety Standard)?

EN71 (European toy safety standard) lists specific inspection items regarding toy safety from various angles such as the target age and purpose of use.
The same content is stipulated in ISO8124.
You must comply with this when manufacturing and selling applicable toys in EU countries.

EN71 has Part 1 to 13, and EN71 Part 3 is a clause on the transfer of specific elements, such as aluminum, antimony, arsenic, barium, boron, cadmium, trivalent chromium, hexavalent chromium, cobalt, copper, lead, manganese, mercury, and nickel. , Selene, strontium, tin, organic tin, and zinc, 17 elements and 19 components, regulate the amount of harmful metals dissolved by stomach acid when part or all of the toy material is swallowed.

In its EN71 and ISO812490ppm as the standard value for dissolution of leadIs specified.
This standard value has been set assuming the risk of accidental ingestion by infants, and the Japan Toy Association will ensure the safety of "metal accessories, etc." regarding lead by meeting this standard. It seems to be done.

In order to meet the standards of the Japan Toy Association, we are also inspecting to meet the standard values ​​for lead among the 71 elements and 3 components specified in EN17-Part19.

Handling lead in the toy safety standard (ST standard)

On May 18, 5, the Japan Toy Association decided to implement the following measures as a temporary measure for "metal accessories and other items that fall under the category of toys" in order to ensure safety in the event that a child swallows them.

1.Interim measures「玩具に該当する金属製アクセサリー類など(携帯ストラップ・キーホルダーを含む)」に対する玩具安全基準(ST基準)として、 「ST基準1.5(塗装)」で適用されている「鉛の溶出基準値(90ppm)」とISO8124-3:1997「8.5ガラス/セラミック/金属材料」の試験方法(EN71-3:1995「8.5」も同旨)を暫定的に要件として追加する。
If this standard is not met, the ST standard conformance inspection conducted by the ST inspection organization cannot be passed, and the "ST mark" cannot be attached to the "metal accessories, etc.".
2.Products"Metal accessories corresponding to toys"
3.Target ageThe target age of the product is "14 years old and under"
4.Implementation periodJuly 18, 7
5.Testing fees for ST testing agenciesOne sample costs 7,000 yen (excluding consumption tax)

Our company independently conducted a lead safety test on existing lead-containing products and lead-free products using the test methods of EN71 Part3 and ISO8124-3.
As a result, as shown below, it was found that even products containing a very large amount of lead meet the above standards (90 mg/kg) for those whose surface is plated.
However, if the product is damaged or the plating is peeled off, the lead of the material may elute beyond the standard value, so be careful.

Inspection target Our product number plating Lead content Test results Elution standard
Cellphone strap cap (with lead) KT-C / 4mm / Ni Nickel plating 2-3% 11 mg/kg or less
Mobile phone strap cap (lead-free) RS-C / 4mm / Ni Nickel plating 0.02% 5 mg/kg or less
Rubber cast (with lead) Low meta Genuine gold plating About 90% 5 mg/kg or less
Rubber cast (lead-free) Bismuth system Genuine gold plating 0.035% 5 mg/kg or less

Regulations on toys for toddlers based on the Food Sanitation Law (latest information)

Purpose of revision
1 In order to deal with diversified toys in recent years, we have expanded the range of toys prescribed as "There is a risk that the health of infants may be damaged by contact with infants" prescribed in Article 62, Paragraph 1 of the Food Sanitation Act.
2 Incorporate internationally accepted toy standards (ISO standards, etc.) and ensure international consistency of standards from the viewpoint of hygiene of toys.
3 Strengthen the standards related to lead, etc. to ensure the safety of toys from a hygienic point of view.
Key points of revisions related to rules
1 Elimination of material restrictions for designated toys
2 Addition of target cancer tools (newly added accessory cancer tools)
With accessory cancer toolInfantsCancer tools used as accessories
Specifically, it refers to cancer devices in the form of jewelry such as rings, necklaces, brooches, and pendants.
However, this does not include items that are not intended to be played as toys such as key chains and cell phone straps.
Key points of revision regarding notification
1 Change from raw material to final product standard
  • From "paint" to "coating film"
  • From "material" to "manufactured part"
2 Strengthening of standards for lead, etc.
  • Change to elution standard based on ISO
  • Enlargement of target coating film
  • Newly established lead standard for metal accessories cancer tools
    The lead elution standard for metal accessory cancer tools (limited to those that may be swallowed by infants) has been newly set.
    In accordance with ISO standards, etc., a container for determining the size that an infant may swallow by accidental swallowing shall be defined and the size shall fit in the container when placed in an uncompressed state.
  • Small Parts Cylinder (Small Parts Cylinder) Container
  • Small Parts Cylinder Manual

 

Small parts cylinder (small parts cylinder) container for determining the size that infants may swallow by accidental ingestion

We have started to manufacture and sell small-sized cylinder (small parts cylinder) containers for distinguishing accidental ingestion because there are many requests for purchasing from us.
Material Product standard Sales price Make Features
ア ク リ ル Since the pre-made acrylic pipe is used to keep the unit price down, the inner diameter is 32mm. 2,750JPY
Daio Works
The standard inner diameter is 31.8+0.1mm, but this product is 0.2mm larger than the standard.
This is because they were manufactured using prefabricated acrylic pipes in order to keep unit costs down.
To the extent that it is large, it will work to strengthen regulations, so there should be no problems in terms of implementation.
"Spherical capsule (diameter 40 mm) accidentally ingests children." Bandai issued a compensation order and decided to revise the standard
1 Fact
A spherical capsule (40 mm in diameter) with a toy called "Gachapon" was accidentally swallowed by a boy in Kagoshima City (2 years and 10 months old at the time) and removed about 30 minutes later. I suffered a severe disorder such as being unable to move.
2 Billing Summary
Based on the Product Liability Law (PL Law), the parents asked the manufacturer, BANDAI NAMCO Games (Tokyo), to indemnify them for approximately 1 million yen.
3 Judgment content
On May 2009, 5, the Kagoshima District Court ordered the manufacturer to pay approximately 20 million yen. According to the judgment, the damage amount was calculated to be 2,626 million yen, but it was found that the parents also violated the duty of care, and the manufacturer's liability was found to be 7,954%.
4 Issue
The manufacturer claimed that the capsules met the toy safety standard (ST standard) of 31.8 mm or more in diameter, but the presiding judge said, "Infants under the age of 3 have a size of more than 40 mm when opened. It is not uncommon," he said, "in order to make it easier to take out in case of accidental ingestion, it is necessary to make it square or to provide multiple holes to secure the airway."
5 Overseas safety standards
The standard for small parts (small parts) of toys is 31.8 mm or more in diameter, which is specified by the toy safety standard (ST standard) in Japan, while EN71-1 standard in Europe and CPSC federal regulations in the United States. For spherical products, a safety standard of 44.5 mm or more in diameter is set.
6 Our Initiatives
Regarding small parts cylinder containers to detect accidental ingestion based on Japanese safety standards, we currently offer small parts cylinder containers with a diameter of 32 mm based on Japanese safety standards and small parts cylinder containers that adopt the 40 mm diameter standard.
We are also preparing to provide small parts cylinders with a diameter of 45 mm that comply with overseas safety standards. Please feel free to contact our development staff for more information.
Application date
1 Rule relation
About revision of rule Article 78, apply from May 20, 5.
However, the provisions of Article 20, paragraph 9 of the Act relating to the said toy do not apply to products manufactured or imported by September 30, 18.
2 Relationship
Regarding the revision of the notification, apply from March 20, 3.
However, for those manufactured or imported by September 20, 9, the previous example may still apply.
Q&A excerpt
Q3
The metal accessory cancer tool itself (whole body) does not fit in the accidental ingestion determination container, but if the part is made of metal and fits in the accidental ingestion determination container, the metal accessory cancer tool (whole) may be swallowed. Can I judge that it does not correspond to a thing?
A3
Metal accessories The parts of the cancer tool are designed and manufactured so that they can be removed structurally, and the parts that are made of metal are those that may be swallowed.
Therefore, removable metal parts must meet the standards for metal accessory guns.
Q23
Can fluorescent X-ray analysis be used as a screening for elution test in the test of paint film or metal accessory cancer tool?
A23
Screening for lead, cadmium, and arsenic using X-ray fluorescence analysis is acceptable as long as it is done at sufficiently low levels that it does not overlook anything exceeding the standards set forth in the Food Sanitation Act.
If lead or other substances are detected above the discrimination limit, an elution test must be conducted.
In addition, if lead is detected in plated metal accessories, an elution test must be conducted regardless of the amount. In any case, please note that if any doubts arise regarding the results, a final judgment will be made using the test method specified in the notification.
Contradiction
Addition of target cancer tools (newly added accessory cancer tools)
An accessory cancer tool is a cancer tool that infants use as an accessory.
Specifically, it refers to cancer devices in the form of jewelry such as rings, necklaces, brooches, and pendants.
However, this does not include items that are not intended to be played as toys such as key chains and cell phone straps.

It is said that key chains and cell phone straps not intended to be played as toys are not covered.
It is said that the targets are those that may be swallowed.
Are there any dangers of swallowing key chains or cell phone straps? ? ?

Metal accessories If the parts of the cancer tool are designed and manufactured so that they can be structurally removed, and if the parts are made of metal,It corresponds to those that may be swallowed.
Therefore, removable metal parts must meet the standards for metal accessory guns.

As a matter of course, our company may inadvertently swallow children's key chains and cell phone straps, so we will continue to actively promote lead-free products as a voluntary regulation without limiting to this regulation (infants). I will promote it.

Additional regulations on toys (toys) based on revisions to the Consumer Product Safety Act (latest information)

Purpose of revision

On May 5, 5, the “Cabinet Order to Partially Revise the Consumer Product Safety Law Enforcement Order” was approved by the Cabinet, and on June 16, 5, it was newly designated as a specified product under the Consumer Product Safety Law. "Amusement goods made of magnets (magnets)" and "Toys made of water-absorbing synthetic resin" will be specified in the above, and the sale of products that do not comply with the technical standards will be regulated.If an accident were to occur with these two products, there is a high risk of an accident and serious damage, so they are designated as specific products and subject to regulation. I decided to do it.
Examples of regulated products: magnet sets, magnet balls, water-absorbing synthetic resin toys

Key points of regulatory reforms

The following two products have been added to Appended Table 2 of the Consumer Product Safety Law Enforcement Ordinance, which designates specific products under the Consumer Product Safety Law.

1 Magnetic recreational items (used as toys or other recreational items by attracting magnets with other magnets)
The object of regulation is the size smaller than the small part cylinder specified in ISO 8124-1, which is the standard of the size that can be swallowed by infants, and the magnetic force of the level that will be naturally discharged outside the body even if swallowed by mistake. , Magnetic flux index (the product of the square of the maximum magnetic flux density and the area of ​​the pole) is 50kG2・mm2 or more.
2 Water-absorbent synthetic resin toys (synthetic resin that swells when it absorbs water)
The object of regulation is water absorption, which is a level that is smaller than the size that fits in a small part cylinder specified in ISO8124-1, which is a standard for infants to swallow, and is a level that will naturally be discharged outside the body even if swallowed by mistake. Those that exceed the standard of not swelling more than 50% from the previous state.

 

[Regulated products]

  • A product used as a toy or entertainment by sticking magnets together.
    (Those that do not fit in the small parts cylinder specified in ISO8124-1, which is the standard for the size that infants can swallow, magnetic flux index, which is the level of magnetic force that is naturally discharged outside the body even if swallowed by mistake. (The product of the square of the maximum magnetic flux density and the area of ​​the pole) is less than 50kG2mm2 is not subject to regulation.)
  • Synthetic resin that swells when it absorbs water
    (Those that do not fit in the small parts cylinder stipulated in ISO8124-1, which is the standard for the size that infants can swallow.) (Those that do not swell more than 50% from

[Products not subject to regulation]

  • This product is not intended for playing with magnets by sticking them together.
  • Items that are too large to fit into the small part cylinder specified in ISO 8124-1, which is the standard for the size of items that can be swallowed by infants
  • The technical standard for magnetic entertainment products is that they must have a magnetic force of less than 50kG2・mm2, which is the level at which magnetic force is naturally expelled from the body if accidentally ingested.
  • The technical standard for water-absorbent synthetic resin toys is that they do not swell by more than 50% from their original state before absorbing water, which is a level that allows the water to be naturally excreted from the body even if it is accidentally swallowed.
We have started to manufacture and sell small-sized cylinder (small parts cylinder) containers for distinguishing accidental ingestion because there are many requests for purchasing from us.
Material Product standard Sales price Make Features
ア ク リ ル Since the pre-made acrylic pipe is used to keep the unit price down, the inner diameter is 32mm. 2,750JPY
Daio Works
The standard inner diameter is 31.8+0.1mm, but this product is 0.2mm larger than the standard.
This is because they were manufactured using prefabricated acrylic pipes in order to keep unit costs down.
To the extent that it is large, it will work to strengthen regulations, so there should be no problems in terms of implementation.

Comparison of national CPSC and RoHS directives with EN71 and Food Sanitation Law

The table below shows a comparison of lead standard values ​​required by the US CPSC, RoHS and EN71.
As we proceed with our analysis, we will be conducting analysis based on the RoHS Directive, which places a wider range of restrictions on heavy metals, and with regard to lead restrictions, we intend to analyze and improve our products so that the lead content falls below the stricter US CPSC standard of 0.06%.

Type of regulation Country law Target Lead
Content
Of content
Test method
Lead
Elution amount
Of elution amount
Test method
CPSC 米 国 Consumer products
Safety law
To protect the public from the irrational risk of injury and death related to consumer products
0.01%
※ 1
175μg
※ 2
EN71
(ISO8124)
Europe Toy safety
specification
Standardize specific inspections regarding toy safety from various angles such as target age and purpose of use
-----
-----
90ppm
※ 3
RoHS EU European law The purpose is to minimize the risk to the environment and human health
0.1%
※ 4
-----
-----
Welfare work Japan Food Sanitation Act Intended for those who may be injured by contact with infants    
90ug
※ 5

*1. CPSC content test (a test to determine the lead concentration in a sample. Unit: weight %)
Collect 50 milligrams to 70 milligrams of sample into a 100 milliliter beaker, add 8 milliliters of nitric acid, and heat on a hot plate until it becomes approximately 3 milliliters.
After cooling, add 2 ml of hydrochloric acid, stir, and make up to 50 ml with ultrapure water to make a sample for ICP emission spectroscopy.

*2. CPSC leaching test (measures how much lead dissolves from a sample in a solution that simulates stomach acid. Unit: micrograms)
The mass of the sample was measured, the sample was suspended in a poly container with a thread, and 0.07 mol/liter of hydrochloric acid was added in an amount 50 times the mass of the sample. The container was placed in a constant temperature shaking water tank set at 37 degrees, the number of times of shaking was 80 times/minute, and the shaking was performed for a specified time. After shaking for 1 hour, the sample was taken out, transferred to a separately prepared plastic container, 0.07 mol/liter of hydrochloric acid was added, and subsequently shaken for 2 hours. After shaking, the sample was taken out, transferred to a separately prepared poly container, added with 0.07 mol/l hydrochloric acid, and shaken for 3 hours. The three eluates obtained by the above shaking operation were individually used as samples for ICP emission spectroscopic analysis.

*3. EN71 elution test (EN71-3:1995 "8.5" Test method for glass/ceramic/metal materials)
Place the toy or component in a 50 ml glass container and add a sufficient volume of 37 mol/l hydrochloric acid aqueous solution at 2 ± 0.07°C to cover the toy or component.
Cover the container with a lid to protect the contents from light and keep it at 37±2℃ for 2 hours.
After decantation without delay, filter through a membrane filter and centrifuge if necessary to separate solids from the solution. The solution obtained is analyzed.

*4. RoHS lead content test (Test to determine the concentration of lead contained in the sample. Unit: weight %)
It seems that the RoHS Directive does not specify test methods, so each manufacturer has specified a test method.
In our company, testing is conducted by an inspection contracting organization in a form complying with EPA352 law.

*5. Testing methods for metal toy accessories that may be swallowed by infants under the Food Sanitation Act

[Preparation of test solution]
Place the sample in a beaker with a diameter of about 40 mm, add 37 mol/l hydrochloric acid heated to 0.07°C until the sample is immersed, leave it at 37°C for 2 hours in the dark, and then filter.
Distilled water is added to 0.07 mol/l hydrochloric acid HCl HCl [K 8180, special grade] 6.3 ml to make 1,000 ml.

[ Lead ]
Take 0.1 ml of lead standard stock solution and add 0.07 mol / l hydrochloric acid to make 100 ml.1 ml of this solution contains 1 μg of lead.This solution is diluted with 0.07 mol / l hydrochloric acid and measured by the same method as the test solution to prepare a lead calibration curve.However, as the lead standard stock solution, use the one specified in Item 3 standard solution and standard stock solution of the third instrument and container / packaging part C reagent / test solution.

Comparison of REACH and RoHS

REACH regulation stands for Registration, Evaluation, Authorization and Restriction of Chemicals, and is a chemical substance regulation in the EU. Compared to the same EU regulation, RoHS (Restriction of Six Hazardous Substances), the scope of the regulation covers a wide range of industries, such as chemicals, electrical equipment, and automobiles, and the number of regulated chemical substances is approximately 6.

Type of regulation Country Regulation content Target of regulation Regulation start
REACH EU Chemical concentration.
Companies are required to carry out safety assessments of approximately 3 types of chemical substances.
Includes daily necessities such as chemicals, electric appliances, automobiles, mobile phones, and toys.
May 2007
RoHS EU Restrictions on the content of six harmful substances.
In the RoHS directive, lead, mercury, and cadmium are elemental regulations, but the REACH regulation is for chemical substances.
Mainly electrical and electronic equipment manufacturers
May 2006

Regulations on toys for infants based on the Food Sanitation Law (old information)

Food Sanitation ActHas designated the following toys as "toys that may damage health due to contact with infants", but due to the problem that lead was contained in the paint of Chinese products, etc., Law revisions are being considered in the direction of including "painting" in general and "metal toy accessories".
Until now, the “paint” had been limited to vinyl chloride resin paints, but the revised bill uses paints of any kind.
Regarding “Metal toy accessories,” we are aiming to regulate the amount of lead elution in small parts that children may swallow.
Then, we expanded the scope of treatment as these "toys that may damage health due to contact with infants", and in the past, the type and material of the toys were specified respectively, but in the revised bill, regarding the material Has been abolished, and regardless of the material used, "toy accessories" etc. have been added to the types of toys, and it is the direction targeted for virtually all toys.

About Electrical Appliance and Material Safety Law (PSE mark)

PSE mark

Electrical Appliance and Material Safety Law (PSE mark)Is a mark that is attached to the one that meets the safety standard, which is provided to prevent the danger and the trouble caused by the electric products.
Electrical appliances used in ordinary homes, shops, offices, etc., and are specified by government ordinance (electrical appliances), cannot be sold unless they display the PSE mark, the business name, rated voltage, and rated power consumption, which are standards set by the government.

Our products are equipped with lithium-ion batteries.Portable fanWe have obtained the PSE certification mark.

Information on hazardous substances in products handled by our company (mainly for vendors)

The inspection result of harmful substances of our products is "SDS/hazardous substance informationMoved to

About lead detection method

Inductively-coupled Plasma Mass Spectrometer (ICP/MS)

Inductively coupled plasma mass spectrometry (ICP/MS) is a device that can perform highly sensitive mass analysis by ionizing inductively coupled plasma (ICP: discharge plasma generated by applying high-frequency energy to atmospheric pressure argon gas) to investigate the composition of trace elements. It has features such as the ability to measure multiple elements simultaneously and a wide measurement range.

As our company was conducting our investigation and analysis into the current issue of high concentrations of lead in metal accessories, we inquired with the Tokyo Metropolitan Government's Life and Cultural Affairs Bureau, Consumer Affairs Department, Life Safety Division. We then contacted several external testing agencies, including the agency that had actually carried out the Tokyo Metropolitan Government's inspections, and ultimately chose Eurofins Product Testing Co., Ltd., which offered excellent delivery times, unit prices and service, as our main testing agency.

There is no conflict of interest between our company and Eurofins Product Testing Co., Ltd., but for your reference, the delivery time is approximately one week, and once the test results are available, you can receive a PDF file of the results before the report is sent.

In terms of unit price, the price is 4 yen for all four harmful substances (lead, cadmium, mercury, and total chromium), and 15,000 yen for lead alone.

<Notes on chrome>
When we request an analysis from an external organization, we first measure total chromium from a cost perspective.
If the measurement result of total chromium is less than the standard value, it means that the hexavalent chromium, which is a harmful substance, is also less than the standard value.
In the unlikely event that the total amount of chromium exceeds the standard value, we will request the measurement and analysis of the content of hexavalent chromium only (10,000 yen).
Please note that total chromium is not hexavalent chromium.

X-ray fluorescence analysis

X-ray fluorescence measurement device XLt797

X-ray fluorescence measurement device XLt797

X-ray fluorescence measuring device EA1000AⅢ

X-ray fluorescence measuring device EA1000AⅢ

X-ray fluorescence analysis is a method of measuring the energy of fluorescent X-rays obtained when a sample is irradiated with X-rays, thereby identifying the elements contained in the sample (qualitative analysis) and determining the concentration of each element from the intensity of the fluorescent X-rays (quantitative analysis).
In addition, there is almost no need for troublesome pretreatment (such as dissolving the material), and samples can be analyzed in their original form.
However, fluorescent X-ray analysis is a simple method and not a precise analysis, so it is necessary to use it properly according to the purpose.

We have introduced an X-ray fluorescence analyzer that can be analyzed relatively easily in order to build an environment in which we can quickly monitor and measure harmful substances.

The equipment we have introduced can be applied to not only metals but also resins, and can measure constituent elements including harmful substances such as cadmium, mercury, lead, chromium, etc. at the ppm level. There are some elements that cannot be measured due to the limitations of fluorescent X-rays.

<<Measurement results using the XLt797 X-ray fluorescence measurement device>>
Measurement results using the XLt797 X-ray fluorescence measurement device

He: Element stands for element

ppm: Indicates the content of each element

+/-: Indicates uncertainty

In our company, in addition to the four harmful substances regulated by RoHS, Cd, Pb, Hg, and Cr, the constituent elements are displayed.
In this example, the four harmful substances Cd, Pb, Hg, and Cr are displayed as nd, which means that they were not detected (Not Detectable).
For example, Cu (copper) has 532.1k (ppm), and since k = 1000, it is 532100ppm, and 1000ppm = 0.1%, which is 53.21%.

UncertaintyStatistically indicates a value that is twice the standard deviation value (2σ), which means that the final measurement result exists within the range of 2σ with a probability of 2%.

For example, the result of Bi (bismuth) was 5890 ± 408, but since it is 2σha 408 ppm, it means that there is a final solution with a probability of 5482% within the range of 6298 ppm to 95.4 ppm.
Interpret the most probable value in that range as 5890ppm.

Measurement results using the EA1000AIII X-ray fluorescence measuring device

Meaning of setting thresholdThis will be explained using a specific element (Cd cadmium) as an example.

Let's say the regulatory limit for this element is 100 ppm. All measuring devices, including this one, have errors, and it is dangerous to conclude that a measurement result is outside the regulatory limit of 100 ppm if it is even slightly higher than this limit.

Therefore, a range is set, with a value slightly higher than 100 ppm being the fail limit and a value slightly lower than 100 ppm being the pass limit. If the measurement result exceeds the fail limit, a star is placed on that element, but if the measurement result is below the upper pass limit, no mark is placed on the element and it is considered a pass.

If it is in the grey zone between the fail limit and the upper pass limit, a mark is placed so that the measurement results can be used to determine whether they meet the regulatory limits.
If a question mark appears, it means that you need to increase the measurement time to improve accuracy or measure again using a different precision measurement and analysis device.

<<Measurement results using the EA1000AIII X-ray fluorescence measurement device>>
Measurement results using the EA1000AIII X-ray fluorescence measuring device

This stationary X-ray fluorescence analyzer, the EA1000AⅢ, has the ability to compare actual measurement values ​​with preset element and reference values ​​to make judgments.
It is possible to judge each hazardous substance and make an overall judgment.
Also, unlike the handheld testing equipment mentioned above, it is possible to output a PDF "quantitative analysis result report."

We have installed the EA1000AⅢ at three of our business locations, and have established a system that allows us to quickly respond to inspection requests from customers.
Furthermore, we are promoting nickel-free products as a measure against nickel allergies, and we implement strict quality control by conducting tests to ensure that products do not contain nickel.

Simple lead detection method (Merck: Merckoquant series lead test kits...for solutions)

Wouldn't it be nice if you could more easily, easily and cheaply measure whether your own accessories contained harmful lead?
Even if we are a manufacturer, I think that it is necessary to carry out unannounced inspections of materials and products at appropriate intervals.
With this in mind, I tried to collect information disseminated within Japan, but perhaps because awareness of lead is still low in Japan, I was unable to find anything that could be used to directly test and analyze the metallic, solid object that was the subject of this study.
One possibility is that Merck has released a test strip that can detect lead ions in liquids, which is already a problem.

  • Melcoquant lead test kit (appearance)

    Melcoquant lead test kit (appearance)

  • Melcoquant lead test kit (kit contents)

    Melcoquant lead test kit (kit contents)

We purchased this test paper and conducted a test to see how much lead-containing metal accessories could be eluted with the acetic acid solution contained in the kit to detect lead content.
This time, there are two types of low-meta rubber cast that contains a lot of lead (about 90% lead) and brass material for cutting (about 2-3% lead) used for the cap of the mobile phone strap (pine needle). I tested it.

<Brass material for cutting (lead content: about 2-3%)>
  • Brass material for cutting work (lead content about 2-3%) 30 minutes later: 40 mg/l

    30 minutes later: 40 mg/l

  • Brass material for cutting (lead content of about 2-3%) 60 minutes: 100 mg/l

    60 minutes: 100 mg/l

<Romata rubber cast (Lead content approx. 90%)>
  • Lometa rubber cast (lead content about 90%) 30 minutes later: 40 mg/l

    30 minutes later: 40 mg/l

  • Lometa rubber cast (lead content about 90%) 60 minutes: 100mg/l

    60 minutes: 100 mg/l

From the above results, it seems that it can be applied as a simple lead detection method for "problem of lead contained in metal accessories" using "Mercoquant's lead test kit" by Merck. Will be opened.
Note) 1 milligram is 0.001 grams.

Simple lead detection method (Merck: Merckoquant series lead test kits...for solutions)

Home Lead Test Kit (2-pack)

Lead test kit for home
(2 pieces)

In the United States, the use of lead-containing paints as a social problem caused a social problem, and in 1977 the use of lead-containing paints was banned.
Against this background, Hybrivet Systems, a company headquartered in the United States, sells kits that allow ordinary households to easily test for lead in paint.
This does not require a solution, and it is also possible to test solids such as paint.

The product name is "LeadCheck Swabs" and is a paper tube about the thickness of a highlighter pen and less than 5 cm long, with a brush-like fiber attached to the end.

It is very easy to use, just react the two substances inside and rub the test agent from the tip of the brush on the target object for several tens of seconds to see the reaction. The normally yellow test agent turns pink to red if it contains lead.

  • With the paper cylinder removed

    With the paper cylinder removed

  • Test drug is yellow to orange

    Test drug is yellow to orange

When I contacted Hybrivet Systems directly, they said that there is no distributor in Japan at this time and they are looking for a distributor.
This time, we decided to import it directly and ordered a large number of packages mainly for business.
Immediately, about two, low-metal rubber cast that contains a lot of lead (about 90% lead) and brass material for cutting (about 2-3% lead) used for the cap of the mobile strap (pine needle). I tested it.

Inspection method
Brass material for cutting
Brass material for cutting

The test drug turns pink
It is shown that it contains lead.

Rubber cast (low meta)
Rubber cast (low meta)

I could not confirm why the color of the reagent changed.
However, the place where the reagent was applied turned dark blue.

Comparison of low meta and high meta
Comparison of low meta and high meta

Because of the difference in lead content
The degree of discoloration was stronger in the low-metal containing more lead than in the high-metal containing less lead.

 

When we tested the surface of a metal accessory with plating, which is usually distributed in the world, no color change including lead was observed.
We would like to contact Hybrivet Systems to report why the color change of the reagent could not be confirmed by rubber cast containing a lot of lead, and report it.

There was a reply from Hybrivet Systems, and we re-tested.

Cause
It was found that the result of this rubber cast was due to long and strong rubbing during the inspection.
(I.e.
As instructed by Hybrivet Systems, I first cleaned the test surface and lightly applied the test drug to it.
As shown in the result on the right, it turned red indicating that it contained lead in less than 1 minute.
However, since rubber cast contains tin, it will eventually turn purple as shown above as time passes.
Result
Result

From the above results, it seems that it can be applied as a simple lead detection method for "problem of lead contained in metal accessories" using "Lead Check Swabs" of Hybrivet Systems. ..

From the above results, it seems that it can be applied as a simple lead detection method for "problem of lead contained in metal accessories" using "Lead Check Swabs" of Hybrivet Systems. ..

Since there are many requests for purchase from us, we now sell it.
In addition to lead detection, there are also RoHS detection substances such as mercury, chromium, cadmium detection and nickel detection for allergy control.

 

Introduction of hazardous substance inspection reagents

Product image Inspection target Detection limit Sales price Make Features
Pb (lead)
Pb (lead)
Paint: 0.5%
Surface: 1micro-g
Liquid: 10-20ppm
Please contact us Hybrid Systems It is very easy to use, and the test drug is rubbed on the target object for a few tens of seconds from the tip of the brush to see the reaction.
Usually a yellow test drug will change from pink to red when it contains lead.
Pb (lead)
Pb (lead)
Paint: 0.5%
Surface: 1micro-g
Liquid: 10-20ppm
Please contact us Hybrid Systems It is very easy to use, and the test drug is rubbed on the target object for a few tens of seconds from the tip of the brush to see the reaction.
Usually a yellow test drug will change from pink to red when it contains lead.
Cd (Cadmium)
Cd (Cadmium)
Surface: 1micro-g
Liquid: 5ppm
Please contact us Hybrid Systems It is very easy to use, and the test drug is rubbed on the target object for a few tens of seconds from the tip of the brush to see the reaction.
Usually the yellow test drug turns pink to red when it contains cadmium.
Cr (chrome)
Cr (chrome)
Surface: 1micro-g
Liquid: 10-20ppm
Please contact us Hybrid Systems It is very easy to use, and the test drug is rubbed on the target object for a few tens of seconds from the tip of the brush to see the reaction.
Usually the yellow test drug will turn from pink to red when it contains chrome.
Hg (mercury)
Hg (mercury)
Surface: 1micro-g
Liquid: 10-20ppm
Please contact us Hybrid Systems It is very easy to use, and the test drug is rubbed on the target object for a few tens of seconds from the tip of the brush to see the reaction.
Usually the yellow test drug will turn from pink to red when it contains mercury.
Ni (nickel)
Ni (nickel)
Surface: 1micro-g
Liquid: 10ppm
Please contact us Hybrid Systems It is very easy to use, and the test drug is rubbed on the target object for a few tens of seconds from the tip of the brush to see the reaction.
Usually a yellow test drug will turn from pink to red when it contains nickel.

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