
Various regulations and standards have been drawn or enforced to restrict use for hazardous substances in jewelries in many countries, such as EU, US, Canada, and China.
Physical Properties Tests:
- Sharp points / Sharp edges
- Small part
- Jewelry Containing Battery Hazardous Magnet
- Salt Spray (Fog) Test
- Decolonization Test of Sulfide
- Chemical Tests:
- Nickel release
- Lead, cadmium
- Phthalates
- AZO dyestuff
- Formaldehyde
- Migration of heavy metals