RoHS certification is the abbreviation of The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment, which stipulates that lead, cadmium, mercury, hexavalent chromium, polybrominated diphenyl ether and polybromide are contained in electrical and electronic products. The EU will ban the import of harmful heavy metals such as biphenyls from July 1, 2006.
RoHS lists six harmful substances, including lead and lead, cadmium Cd, mercury Hg, hexavalent chromium Cr6+, polybrominated diphenyl ether PBDE and polybrominated biphenyl PBB.
RoHS Directive Restricts the Use of Six Kinds of Hazardous Substances
1. Examples of mercury using this substance: thermostats, sensors, switches and relays, light bulbs
2. Examples of lead using this substance: solder, glass, PVC stabilizer
3. Examples of cadmium use: switches, springs, connectors, case and PCB, contacts, batteries
4. Examples of chromium (hexavalent) using this substance: corrosion coatings on metals
5. Examples of polybrominated biphenyls (PBBs) using this substance: flame retardants, PCBs, connectors, plastic shells
6. Examples of polybrominated diphenyl ethers (PBDE) using this substance: flame retardants, PCBs, connectors, plastic shells
Why RoHS?
For the first time, it was noted that cadmium was found in cables of game consoles sold in the Netherlands in 2000, which contained heavy metals harmful to human health in electrical and electronic equipment. In fact, lead and other harmful heavy metals are contained in solder and ink printed in packaging boxes, which are widely used in the production of electrical and electronic products.
RoHS specifically addresses those products
RoHS aims at electrical and electronic products which may contain the above six harmful substances in all production processes and raw materials, mainly including white household appliances, such as refrigerators, washing machines, microwave ovens, air conditioners, vacuum cleaners, water heaters, black household appliances, such as audio and video products, DVD, CD, TV receivers, IT products, digital products, etc. Products, communications products, etc. Electric tools, electric toys, medical and electrical equipment
Countries of implementation
The EU members involved in RoHS are Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, the Netherlands, Portugal, Spain, Sweden, the United Kingdom, Slovenia, Cyprus, Malta, Poland, the Czech Republic, Estonia, Hungary and Latvia. Lithuania, Slovakia, Iceland, Norway, Liechtenstein
RoHS authentication cycle
RoHS certification cycle: seven working days of testing standards and methods for RoHS banning hazardous substances (currently used testing methods are the default method in the industry, not mandatory by the EU)
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