Inililista ng RoHS ang kabuuang anim na mapanganib na substance, kabilang ang: lead Pb, cadmium Cd, mercury Hg, hexavalent chromium Cr6+, polybrominated diphenyl ether PBDE, polybrominated biphenyl PBB.Itinakda ng EU ang anim na mapanganib na sangkap, ang pinakamataas ay: 1 lead (Pb): 1000ppm;2 mercury (Hg): 1000pp...
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