Testing Requirements

Jewelry Category

Controlled Items

Limit Values

Children's Jewelry

Lead

300 mg/kg

Cadmium

100 mg/kg

Arsenic, Mercury, Hexavalent Chromium

1000 mg/kg

Nickel Release

For body piercing: 0.2 µg/cm²/week;
For direct and long - term contact: 0.5 µg/cm²/week

8 Soluble Heavy Metals

Lead: 90 mg/kg. Cadmium: 75 mg/kg
Mercury: 60 mg/kg. Chromium: 60 mg/kg
Arsenic: 25 mg/kg. Selenium: 500 mg/kg
Antimony: 60 mg/kg. Barium: 1000 mg/kg

Adult Jewelry

Lead

1000 mg/kg

Cadmium

100 mg/kg

Arsenic, Mercury, Hexavalent Chromium

1000 mg/kg

Nickel Release

For body piercing: 0.2 µg/cm²/week;
For direct and long - term contact: 0.5 µg/cm²/week

Note: Jewelry made of other materials should meet the requirements of corresponding national standards. For example,
textile materials need to meet the requirements of GB 18401, and leather materials need to meet the requirements of GB 20400, etc.