RoHS stands for what it means

ROHS stands for the meaning of the following: 1, ROHS :Restriction of Hazardous Substances acronym, "Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Directive" (referred to as the "RoHS Directive") 2, such as the first floor of the explanation of the 3, the RoHS Directive restricts the use of the following six categories of hazardous substances 1. lead (Pb) use the substance Lead (Pb) Examples of the use of the substance: solder, glass, PVC stabilizers 2. Mercury (Hg) (mercury) Examples of the use of the substance: thermostats, sensors, switches and relays, light bulbs 3. Cadmium (Cd) Examples of the use of the substance: switches, springs, connectors, housings and PCBs, contacts, batteries 4. Hexavalent chromium (Cr 6 +) Examples of the use of the substance: metal corrosion coatings 5. Polybrominated biphenyls (PBB) Examples of the use of the substance: resistors (PBB) Examples of the use of the substance: flame retardants, PCBs, connectors, plastic enclosures 6. polybrominated diphenyl ethers (PBDE) Examples of the use of the substance: flame retardants, PCBs, connectors, plastic enclosures 4, the upper limit of the concentration of the six hazardous substances specified in the RoHS: Cadmium: less than 100 ppm Lead: less than 1,000 ppm less than 3,500 ppm in steel alloys less than 4,000 ppm in copper alloys less than 4,000 ppm in aluminum alloys 4000ppm Copper alloys less than 40,000ppm Mercury: less than 1000ppm hexavalent chromium: less than 1000ppm5, ROHS certification scope of application of the EU 27 member states: France, the Federal Republic of Germany, Italy, the Netherlands, Belgium, Luxembourg, Britain, Denmark, Ireland, Greece, Spain, Portugal, Austria, Sweden, Finland, Cyprus, Hungary, Czech Republic, Estonia, Latvia, Lithuania, Malta, Poland, Slovakia, Slovenia, Bulgaria, Romania. [Edit paragraph] RoHS specifically related to those products 6, 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, communication products, etc.; power tools, electric tools, electric products, such as the use of the Internet and other products, such as the Internet and the Internet. communication products, etc.; power tools, electric and electronic toys, medical and electrical equipment

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