Views:2 Author:Site Editor Publish Time: 2020-12-25 Origin:Site
Nowadays, many customers will require RoHS certification for products.
The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). For ball screw, lead screw, etc. Lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI) are the most important.
Here we share the process of hexavalent chromium (CrVI).