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RoHS Certification

The EU, RoHS directive 2002/95/EC restricts the use of lead and other potentially hazardous substances including cadmium, mercury and chromium VI, amongst others, in electrical and electronic products. RoHS limits these substances to 0.1% or 1,000ppm (except for cadmium, which is limited to 0.01% or 100ppm) by weight of homogenous material.

The EU RoHS directive is closely linked to the Waste Electrical and Electronic Equipment Directive (WEEE) 2002/96/EC which sets collection, recycling and recovery targets for electrical goods.

Similar regulations exist in other areas of the world including China, Japan, South Korea, USA, Norway and Turkey. Our chemical experts help you mitigate the risk of non-compliance to global and national restricted substances regulations.

RoHS specifies maximum levels for the following six restricted materials:

  • Lead (Pb): < 1000 ppm
  • Mercury (Hg): < 100 ppm
  • Cadmium (Cd): < 100 ppm
  • Hexavalent Chromium: (Cr VI) < 1000 ppm
  • Polybrominated Diphenyl Ethers (PBDE): < 1000 ppm
  • Polybrominated Biphenyls (PBB): < 1000 ppm

Benefits of RoHS

  • Increase of communication across the supply chain serves as a platform for the implementation of REACH and other initiatives.
  • Tighter process control, overall reduced number of defects and increased production efficiency (contradicts information appearing elsewhere in the report)
  • Increased skill levels in the global workforce due to retraining and the knowledge transfer to Asia and less developed countries (assumes that globalization is driven by RoHS). In addition, "Japanese people and knowledge are seeking inspiration in Europe and the US" (the condescension toward Japan is hard to understand given the statistics on innovation contained within the report).
  • Less leaching in landfills because WEEE contains less hazardous material and increased incentives for recycling because lead-free solder contains silver and gold
  • Pressure on other sectors (such as aerospace and IT industrial controls) and countries to move to cleaner processes and reduced use of hazardous materials (such as China RoHS and Korea RoHS)
  • Competitive advantage for EU manufacturers in markets where RoHS legislation is pending or contemplated

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