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RoHS – Restriction of Hazardous Substances

ES&S takes care of the environment! That's why we work and produce according to the RoHS guidelines!

 

What does RoHS mean?

The EU directive RoHS 2011/65/EU (Restriction of Hazardous Substances) restricts the use of certain hazardous substances in electrical and electronic equipment.
In China the law SJ/T 11363-2006 (China RoHS) entered into force on March 1, 2007. Both RoHS directives aim to protect human health and the environment by limiting the processing of toxic substances in electronic products. The two directives differ in the maximum permissible concentration of environmentally hazardous substances and in the labeling of the products.

For wich substances di the RoHS restrictions apply?

The EU RoHS & China RoHS directives demand the avoidance of six substances, heavy metals as well as brominated fire retardants and plasticizers. These substances used in electrical engineering are considered to be highly hazardous to the environment, they are toxic and difficult to degrade by the environment.

For these substances the restrictions or maximum permissible concentrations (weight percent) in homogeneous materials apply:

  • Lead (Pb) - 0.1% | with soldered joints ...
  • Mercury (Hg) - 0.1% | for tilt switch, mercury vapor rectifier ...
  • Cadmium (Cd) - 0.01% | for nickel-cadmium batteries ...
  • Hexavalent chromium (CrO3) - 0.1% | for paints, varnishes, wood preservatives ...
  • Polybrominated biphenyls (PBB) - 0.1% | for flame retardants, plastic insulation ...
  • Polybrominated diphenyl ether (PBDE) - 0.1% | for flame retardants, plastic insulation ...

For the China RoHS directive, it does not matter wether the product complies with the maximum limits or not - only the actual state of the named pollutants must be declared. It is only necessary to declare the actual state with regard to the named pollutants.

In 2015, the European RoHS standard was extended to include directive 2015/863 / EU (RoHS 3). Four further substances are now also limited in their use:

  • Bis (2-ethylhexyl) phthalate (DEHP) - 0.1% | in plasticizers in PVC ...
  • Benzyl butyl phthalate (BBP) - 0.1% | in plasticizers in plastics ...
  • Dibutyl phthalate (DBP) - 0.1% | in plasticizers in plastics ...
  • Diisobutyl phthalate (DIBP) - 0.1% | in plasticizers in plastics ...

A transitional period expires on 22 July 2019 for the above plasticizers used in plastics. Manufacturers of electronic equipment must ensure that their products comply with the third revision of the RoHS directive (RoHS 3). All categories of electrical and electronic equipment are affected. Medical systems and monitoring and control instruments are excluded for these, the RoHS 3 additional directive will not come into force until 22 July 2021.

On request, we will gladly provide you with a certificate documents that we comply with the RoHS guidelines. Do you have any more questions? - We are at your disposal.