Mechanical and Physical Property Testing
2026-09-07Apart from hazardous chemical substances, physical safety risks during the wearing and use of jewellery (especially children’s jewellery) cannot be ignored. For example, sharp edges on lobster clasps may cut the skin; sharp tips of jump rings can cause puncture wounds; small pendant components may be swallowed by children, or excessively long necklace chains may wrap around a child’s neck and lead to suffocation.
|
No. |
Test Item |
Test Method |
Regulatory Standards |
|
1 |
Sharp Points |
16 CFR 1500.48 16 CFR 1500.49 16 CFR 1500.50-53 16 CFR 1501 |
16 CFR1500.48 ASTM F2923 |
|
2 |
Sharp Edges |
16 CFR1500.49 ASTM F2923 |
|
|
3 |
Small Parts |
16 CFR 1501 ASTM F2923 |
|
|
4 |
Hazardous Magnets |
ASTM F2923 ASTM F2999 |
ASTM F2923 ASTM F2999 |
|
5 |
Breakaway Release Force |
ASTM F2923 |
ASTM F2923 |
|
6 |
Battery Requirements |
ASTM F2923 ASTM F2999 |
ASTM F2923 ASTM F2999 |
|
7 |
Inhalable Tongue Studs |
ASTM F2923 ASTM F2999 |
ASTM F2923 ASTM F2999 |


