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RoHS Konform

This page is intended to provide more information surrounding the two categories of RoHS compliance that are offered by Positronic — 1) RoHS 5 of 6 and; 2) RoHS 6 of 6. The following table compares the allowable limits of the six base restricted substances for each category.

Substance RoHS 5/6 Allowable Limit RoHS 6/6 Allowable Limit
Mercury (Hg) 1000 ppm 1000 ppm
Cadmium (Cd) 100 ppm 100 ppm
Hexavalent chromium (Cr6+) 1000 ppm 1000 ppm
Polybrominated biphenyl (PBB) 1000 ppm 1000 ppm
Polybrominated diphenyl ether (PBDE) 1000 ppm 1000 ppm
Lead (Pb) 40000 ppm 1000 ppm


As you can see, the allowable limit of lead is what distinguishes 5/6 compliance from 6/6 compliance. This difference is explained by Exemption 6c within the RoHS directive, which allows up to 4% (40000 ppm) lead content in machinable alloys. Positronic offers nearly all products with RoHS 5/6 compliance. Select products can be purchased as 6/6 compliant. Contact Technical Sales for more information.