rohs hazardous substances are which kinds of

rohs certification six hazardous substances rohs six hazardous substances refers to 1, lead 2, cadmium 3, mercury 4, hexavalent chromium 5, multi 6, polybrominated diphenyl ethers.

RoHS for all production processes and raw materials may contain the above six hazardous substances in electrical and electronic products, including: white goods, such as refrigerators, washing machines, microwave ovens, air conditioners, vacuum cleaners, water heaters, etc., black home appliances, such as audio, video products, DVDs, CDs, TV receivers, IT products, digital products, communications products, etc.; power tools, power electronic toys, medical electrical equipment. electronic toys, medical electrical equipment.

1. Lead (Pb) Examples of the use of this substance: solder, glass, PVC stabilizers

2. Mercury (Hg) () Examples of the use of this substance: thermostats, sensors, switches and relays, light bulbs

3. Cadmium (Cd) Examples of the use of this substance: switches, springs, connectors, housings and PCBs, contacts, batteries

4 . Hexavalent chromium (Cr 6+ ) Examples of the use of the substance: metal anti-corrosion coatings

5. Multi (PBBS) Examples of the use of the substance: flame retardant, PCBs, connectors, plastic housings

6. Polybrominated diphenyl ethers (PBDE) Examples of the use of the substance: flame retardant, PCBs, connectors, plastic housings .