What is heavy metal?
Heavy metals generally refer to metals with a density greater than 4.5g/cm, including lead, cadmium, chromium, nickel, cobalt, mercury, arsenic, antimony, copper, antimony, selenium, etc. Heavy metals in textiles, clothing and apparel products mainly come from dyes, auxiliaries and finishing agents used in dyeing and finishing processes.
What are the hazards of heavy metals?
Certain heavy metals are essential for life support at low doses, but when the concentration of heavy metals accumulates in the body to a certain threshold, it can be toxic or even life-threatening to humans.
Common testing standards of heavy metals:
Standard |
Items/ requirements |
REACH |
Total Lead |
CPSIA (The Consumer Product Safety Improvement Act) |
Total lead |
California Proposition 65 (Prop 65) |
Total Lead |
CA65 AB1681 |
Total Lead |
ASTM F2999 |
Total Lead |
ASTM F2923 |
Total Cadmium |
GB 28480 |
Total Lead(Children jewelry) |
EN71-3 |
19 Soluble heavy metals |
ASTM F963 |
Total Lead |
GB 6675 |
8 Soluble heavy metals |
RoHS EU Directive |
Pb: 1000 mg/kg Cd: 100mg/kg |
94/62/EC EU Packaging Directive |
4 Heavy metals |
TPCH American Packaging Directive |
4 Heavy metals |
Other regulations, directives or standards |
........ |
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