What is Rohs?

RoHSWhat is Rohs?

RoHS is a directive that requires electronic circuit boards or materials to be free of certain substances. It consists of the initials of the English word Restriction of Hazardous Substances Directive (restriction of the activities of certain pollutants).

RoHS is a directive number 2002-95-EC adopted by the Council of Europe on 27 January 2003 to restrict the activities of certain hazardous elements in electronic products. Mercury, lead, bromide and cadmium components prohibit the activities of hazardous substances. It has been asked to develop operational legislation related to the policy. According to RoHS, mercury, hexavalent lead, cadmium, chromium, PBB (polybrominated biphenyls) and PBDE (polybrominated diphenyl ethers) in electrical and electronic equipment must be replaced by other substances in order to have a place in the market since July 1, 2006 . According to EU data, existing WEEE accounts for an estimated 4% of all waste, or 6.5 million tonnes per year. This situation pollutes nature and prevents the flow of technology to the less developed countries of the world.

Combinations of solder and lead also exist, but tin-copper or silver mixtures may be preferred over solder to comply with this guideline. Mercury is an additive in batteries, but mercury-free batteries can also be made. Others are often found in contact cleaning sprays. Generally, these are substances that are harmful to health. In pregnant women, it can cause miscarriage or enter the bloodstream and cause cell death. It can also cause cancer. For these reasons, it may be present in less than one part per thousand in the manufacture of electrical/electronic materials. Inspection is measured in inspection equipment by passing the material into the liquid phase.

Since lead, mercury, chromium, cadmium and other heavy metals and compounds that fall within the scope of RoHS will not be recycled like human health if they are released into the environment uncontrolled, they will cause indirect harm to organisms and the environment, these chemicals The natural distribution of matter is indirectly affected. cause significant damage. It is especially used in electrical and electronic equipment because under the pressure of these electronic cards and tools, it causes toxic particles to mix with the environment it is in, increasing the thermal effect. In addition, products that come into contact with people (such as rubber floors, etc.) are also covered by RoHS.

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