Recently, the International organization for Standardization (ISO) published amendment 1 to toy standard ISO8124-3:2020/Amd.1:2023 Migration of certain elements.

Compared to the previous version, ISO 8124-3:2020+Amd.1:2023 includes following major changes:

1. For slime: Added migration limit for boron (B) (1250 mg/kg), Lowered migration limits for eight elements (Sb, As, Ba, Cd, Cr, Pb, Hg, Se) to be those for finger paint.

2. For modelling clay:Added migration limit for boron (B) (3750 mg/kg), Changed migration limit for barium (Ba) from 250 mg/kg to 350 mg/kg.

3. For putty:Added migration limit for boron (B) (3750 mg/kg), Lowered migration limit for four elements (Ba, Cd, Cr, Hg) to be those for modelling clay.

The comparison of new and old limits for toy material is showed in following Table:

Definition：

● Modelling clay and putty are defined as flexible solid or semi-solid mixtures that retain their shape and form when moulded into a shape, intended to create representations of objects by hand manipulation or to be extruded into profiles by the toy.

● Slime is defined as water-based gel or gel like material, clear or coloured, which is viscous, slippery, and often non-Newtonian fluids, intended for play by hand manipulation, kneading and stretching.

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