Related introduction:
RoHS is a mandatory standard formulated by EU legislation, and its full name is Restriction of Hazardous Substances. This standard was formally implemented on July 1 2006. It is mainly used to standardize the materials and process standards of electronic and electrical products, making them more conducive to human health and environmental protection.
Extended data
The role of mandatory standards is to protect human health, personal and property safety standards and standards enforced by laws and administrative regulations, such as drug standards and food hygiene standards.
RoHS directive and WEEE directive stipulate ten categories 102 products, and the first seven products are the main export electrical products in China.
The purpose of this standard is to eliminate lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers (note: the correct Chinese name of PBDE refers to polybrominated diphenyl ethers, but the polybrominated diphenyl ethers are incorrect) in electronic and electrical products, and emphasize that the cadmium content should not exceed 0.0 1%.
Baidu encyclopedia -RoHS