Detection

RoHS is a mandatory standard established by EU legislation. Its full name is "Restriction of Hazardous Substances" (Restriction of Hazardous Substances). The standard has been officially implemented on July 1, 2006, and is mainly used to standardize the material and process standards of electrical and electronic products, making it more conducive to human health and environmental protection. The purpose of this standard is to eliminate lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products (note: the correct Chinese name of PBDE refers to polybrominated diphenyl ethers, which is a false statement ) There are 6 substances in total, and it is stipulated that the lead content should not exceed 0.1%.

　　 2. Instructions

On February 13, 2003, the European Parliament and the European Commission issued the "Waste Electrical and Electronic Equipment Directive" (referred to as the "WEEE Directive") and the "Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Directive" (referred to as "RoHS Directive")

　　 The "RoHS Directive" and "WEEE Directive" stipulate that there are 102 kinds of products in ten categories that are included in the management of hazardous substances restriction and disposal and recycling. The first seven categories of products are my country's main export electrical products. Including large household appliances, small household appliances, information and communication equipment, consumer products, lighting equipment, electrical and electronic tools, toys, leisure and sports equipment, medical equipment (except implanted or infected products), monitoring and control equipment ,vending machine.

　　 RoHS scope: only for new products put on the market on July 1, 2006. Including household incandescent lamps and light sources.

　　Should not violate special directives or regulations concerning safety and health requirements——Vehicle ELV, Automobile Directive; Battery Directive, 91/157/EEC,93/86/EEC&98/101/EC

　　 does not include: medical equipment or monitoring equipment (WEEE Directive 8, 9); repair spare parts put on the market before July 1, 2006; reuse products that were originally put on the market before July 1, 2006.

RoHS targets all electrical and electronic products that may contain the above six hazardous substances in the production process and raw materials, mainly including: white household appliances, such as refrigerators, washing machines, microwave ovens, air conditioners, vacuum cleaners, water heaters, etc., black household appliances, such as audio and video products , DVD, CD, TV receiver, IT products, digital products, communication products, etc.; electric tools, electric electronic toys, medical electrical equipment.

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

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

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

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

　　 5. Polybrominated biphenyls (PBBS) Examples of using this substance: flame retardant, PCB, connector, plastic shell

　　 6. Polybrominated diphenyl ethers (PBDE) Examples of the use of this substance: flame retardants, PCBs, connectors, plastic shells



　　Four, test principles

　　According to the requirements of the EU WEEE & RoHS directives, domestic qualified third-party testing agencies separate products according to materials, and use different materials to detect hazardous substances. Generally speaking:

　　 Metal materials need to test four harmful metal elements such as (Cd cadmium/Pb lead/Hg mercury/Cr6+hexavalent chromium)

　　 In addition to checking these four harmful heavy metal elements, the plastic material needs to be tested for brominated flame retardants (polybrominated biphenyls PBB/polybrominated diphenyl ethers PBDE)

　　At the same time, packaging materials of different materials also need to be tested separately for heavy metals in packaging materials (94/62/EEC)

　　 The following is the upper limit of the concentration of six hazardous substances in RoHS:

　　Cadmium: less than 100ppm

　　Lead: less than 1000ppm

　　 less than 3500ppm in steel alloy

　　 less than 4000ppm in aluminum alloy

　　 less than 40000ppm in copper alloy

　　 Mercury: less than 1000ppm

　　 hexavalent chromium: less than 1000ppm

　　 5. The 27 member states of the European Union:

United Kingdom (exited the European union in 2016), France, Germany, Italy, the Netherlands, Belgium, Luxembourg, Denmark, Ireland, Greece, Spain, Portugal, Austria, Sweden, Finland, Cyprus, Hungary, Czech Republic, Estonia, Latvia, Lithuania, Malta, Poland, Slovakia, Slovenia, Bulgaria, Romania.

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

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

　　2. Small household appliances: vacuum cleaners, electric 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 equipment: Fluorescent lamps other than household lighting, etc., lighting control devices

　　 6. Power tools: electric drills, lathes, welding, sprayers, etc.

　　7. Toys/, sports equipment: electric cars, video game consoles, automatic machines, etc.

　　 8. Medical equipment: radiotherapy apparatus, electrocardiogram tester, analytical instrument, etc.

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

　　10. Vending machines not only include the complete product, but also the parts, raw materials and packaging used to produce the complete machine, which are related to the entire production chain.

　　 Seven, test method

The related products are sent to the laboratory for testing. The products shall be divided into single materials and uniform materials for testing, including lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), etc. Whether the six hazardous substances meet the requirements of the RoHS directive, if they meet the requirements, a RoHS conformity report and certificate can be obtained, and if they do not, they have to find another product that meets the requirements to replace them.

　　 8. The detailed testing process of ROHS certification body:

　　1. Fill in the ROHS certification application form according to the requirements of the ROHS certification body. The application form can be contacted by Bestone Testing to receive it, or it can be downloaded from the ROHS certification center and mailed to the designated place after filling it out.

　　2. Choose a third-party testing organization to complete the product testing process. For companies, when choosing a ROHS agency, you can choose the full commission type (product testing and certification are completed by the ROHS agency), or you can choose the semi-entrusted certification method (only the ROHS agency will complete the product testing link, and the product certification The link is completed by the enterprise itself). The charging standards of the ROHS agency will be different for the two different entrustment methods. Generally speaking, it is more cost-effective to choose the full entrustment method.

3. Send money to the selected agency, and the agency completes the testing of the samples provided by the company. ROHS certification has a short test cycle for products. Generally, it only takes about a week after the samples are handed over to the ROHS agency. Complete the sample test link.

　　4. After the sample test is passed, the ROHS certification body will issue a ROHS certification report, which is generally mailed to the address reserved by the company by express. If the company has special requirements, it can also send someone to the ROHS certification agency center to personally pick up the ROHS certification report.

　　 Nine, certification significance

Products that do not have RoHS certification will cause incalculable damage to the manufacturer. At that time, your product will be uninterested and will lose the market. If your product is lucky enough to enter the other party’s market, once it is found, you will be subject to high fines or even criminal detention. , May lead to the closure of the entire enterprise.

Many large companies have long studied and prepared for RoHS certification, and many products have passed RoHS certification, but there are still many small and medium-sized enterprises that are still quite unfamiliar with RoHS certification. , I don't know where to start, I don't know who to find certification.