International Toy Standard ISO 8124-3:2020+Amd.1:2023 on Migration of Certain Elements Published
In March 2023, ISO (International Organization for Standardization) published an amendment to the toy standard ISO 8124-3:2020 on migration of certain elements, to be ISO 8124-3:2020+Amd.1:2023. The amendment shall be effective immediately.
Compared to the previous version, ISO 8124-3:2020+Amd.1:2023 includes following major changes:
1.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.
2.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.
3.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.
As a result, migration limits for elements are as below:
Maximum acceptable element migration from toy materials (ISO 8124-3:2020+Amd.1:2023)
Toy material \
Migration limit
(mg/kg of toy material) |
Element |
Antimony
(Sb) |
Arsenic
(As) |
Barium
(Ba) |
Cadmium
(Cd) |
Chromium
(Cr) |
Lead
(Pb) |
Mercury
(Hg) |
Selenium
(Se) |
Boron
(B) |
Any toy material given in Clause 1,
except modelling clay and putty,
finger paint, and slime |
60 |
25 |
1000 |
75 |
60 |
90 |
60 |
500 |
-- |
| Modelling clay and putty |
60 |
25 |
350 |
50 |
25 |
90 |
25 |
500 |
3750 |
| Finger paint |
10 |
10 |
350 |
15 |
25 |
25 |
10 |
50 |
-- |
| Slime |
10 |
10 |
350 |
15 |
25 |
25 |
10 |
50 |
1250 |
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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