RoHS is a mandatory standard established by EU legislation, and its full name is the "Restriction of Hazardous Substances" directive. This standard has been officially implemented since July 1, 2006, mainly used to standardize the material and process standards of electronic and electrical products, making them more conducive to human health and environmental protection. The purpose of this standard is to eliminate six substances, including lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers, in electrical and electronic products, and specifically stipulates that the cadmium content cannot exceed 0.01%.

Six types of harmful substances:

RoHS targets all electrical and electronic products that may contain the six harmful substances mentioned above in their production processes and raw materials, including white goods such as refrigerators, washing machines, microwaves, air conditioners, vacuum cleaners, water heaters, and black goods such as audio and video products, DVD，CD， TV receivers, IT products, digital products, communication products, etc; Electric tools, electric electronic toys, medical electrical equipment.

1. Examples of lead (Pb) using this substance: solder, glass, PVC stabilizer

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

3. Examples of using cadmium (Cd): switches, springs, connectors, housings and PCBs, contacts, batteries

4. Hexavalent chromium (Cr 6+) Example of using this substance: Metal anti-corrosion coating

5. Examples of using polybrominated biphenyls (PBBS): flame retardants, PCB、 Connectors, plastic casing

6. Examples of using polybrominated diphenyl ethers (PBDE): flame retardants, PCB、 Connectors, plastic casing

The RoHS directive covers electronic and electrical products listed in the catalog below AC1000V and DC1500V:

1. Large household appliances: refrigerators, washing machines, microwaves, air conditioners, etc

2. Small household appliances: vacuum cleaners, irons, hair dryers, ovens, clocks, etc

3. IT and communication equipment: computers, fax machines, telephones, mobile phones, etc

4. Civilian devices: radios, televisions, video recorders, musical instruments, etc

5. Lighting fixtures: fluorescent lamps, other than household lighting, lighting control devices, etc

6. Electric tools: electric drill, lathe, welding, spray, etc

7. Toys/entertainment, sports equipment: electric vehicles, video game consoles, automatic gambling machines, etc

8. Medical devices: radiation therapy equipment, electrocardiogram testing equipment, analytical instruments, etc

9. Monitoring/control devices: smoke detectors, incubators, factory monitoring and control machines, etc

10. Vending machine

11. Semiconductor devices

It not only includes complete machine products, but also the components, raw materials, and packaging used in the production of complete machines, which are related to the entire production chain.

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