Mechanical and Physical Property Testing

2026-09-07

Apart 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