Migration of certain elements - Migration of certain elements

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Migration of certain elements

时间：2019-01-07

作者：

The annex A.C and 4.3 toGB 6675-2003 specifies the maximum migration of certain elements in materials of toys, such as antimony (Sb), arsenic (As), barium (Ba), cadmium (Cd), chromium (Cr), lead (Pb), mercury (Hg) and selenium (Se) , and the selection, preparation and extraction of test portions. The requirements were adopting ISO 8124-3:1997 (IDT).

The scope of the annex A.C and 4.3 to GB 6675-2003 can be used as follows:

l Coatings of paints, varnishes, lacquers, printing inks, polymers and similar coatings;

l Polymeric and similar materials, including laminates, whether textile-reinforced or not , but excluding other textiles;

l Paper and paper board, up to a maximum mass per unit area of 400 g/m²;

l Natural or synthetic textiles;

l Glass/ceramic/metallic materials, excepting lead solder when used for electrical connections;

l Other materials, whether mass-coloured or not;

l Materials intended to leave a trace;

l Pliable modeling materials ,including modeling clays, and gels;

l Paints to be used as such in the toy ,including finger paints, varnishes, lacquers, glazing powders and similar materials in solid or liquid form.

The detail maximum acceptable element migration of materials is as table 1, and analytical correction is as table 2.

Table 1 maximum acceptable element migration from toy materials

Toy material	element
Toy material	Sb	As	Ba	Cd	Cr	Pb	Hg	Se
Any toy material given in clause 1,except modeling clay and finger paint	60	25	1000	75	60	90	60	500
Modeling clay and finger paint	60	25	250	50	25	90	25	500

Table 2 analytical correction

element	Sb	As	Ba	Cd	Cr	Pb	Hg	Se
analytical correction(%)	60	60	30	30	30	30	50	50

For more information please contact 86-755-83997910 or email to wrr@sist.gov.cn