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Restricted Substances

RoHS directives list the following six substances identified for restriction:

  • Lead (Pb)*
  • Mercury (Hg)
  • Cadmium (Cd)
  • Hexavalent Chromium (Cr-VI)
  • Polybrominated Biphenyls (PBB)
  • Polybrominated Diphenyl Ethers (PBDE)

*The EU RoHS directive provides an exemption for lead in solders for network infrastructure equipment for switching, signaling, transmission as well as network management for telecommunication. All EU RoHS compliant Siemon products being manufactured today do not use this exception and are 100% lead-free.