RoHS lists a total of six hazardous substances, including: lead Pb, cadmium Cd, mercury Hg, hexavalent chromium Cr6+, polybrominated diphenyl ether PBDE, polybrominated biphenyl PBB.
The EU stipulates six hazardous substances, the highest of which are:
1 lead (Pb): 1000ppm;
2 mercury (Hg): 1000pp...
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