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Restricted chemical substances refer to various chemical substances that have been proven to be harmful to the environment or human body. As chemical products enter all aspects of people's daily lives, various products bring convenience to people's lives. At the same time
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RoHS is the "Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment"
( the English abbreviation of the Restriction of the use of certain hazardous substances in electrical and electronic equipment).
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REACH regulations: The European Union's "Regulation, Evaluation, Authorization and Restriction of Chemicals Regulations" passed the final vote of the European Council on December 18, 2006, and was officially promulgated in June 2007 It will be fully implemented on the 1st.
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Phthalates (phthalates) are a group of chemical compounds that are mainly used in polyvinyl chloride materials to change polyvinyl chloride from hard plastic to elastic plastic and act as plasticizers.
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AZO azo compounds are compounds formed by connecting an azo group -N=N- with two hydrocarbon groups. Its general formula is RN=NR .
生活中与AZO偶氮化合物有关的名词有：azo free，azo free certificate，azo free test，azo染料，azo dye 等。
涉及AZO偶氮化合的材料主要有：布料、皮革、油漆、塑料、橡胶、着色剂等。
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PAHS Polycyclic aromatic hydrocarbons refer to a class of organic compounds with two or more benzene. Polycyclic aromatic hydrocarbons are hydrocarbons containing more than two benzene rings in their molecules, including more than 150 compounds such as naphthalene, anthracene, phenanthrene, and pyrene .
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The scientific name of bisphenol A is 2,2-bis(4-hydroxyphenyl)propane, also known as bisphenol propane, abbreviated as bisphenol propane, and the English name bisphenol A is abbreviated as BPA.
BPA is a white crystal that is flammable and has a slight phenol smell. Boiling point 250~252℃ (1.773kPa).
BPA是一种白色晶体，可燃，微带苯酚气味。沸点250～252℃(1.773kPa)。熔点150～156℃，相对密度1.195(25℃)，闪点79.4℃。BPA可溶于乙醇、丙酮、乙醚、苯及稀碱液等，微溶于四氯化碳，几乎不溶于水。
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California Proposition 65 , referred to as California 65 , commonly known in English as Cal65 , CP65 or Prop65 , the full name is the " Drinking Water Safety and Toxic Substances Enforcement Act of 1986".
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The full name of CPSIA ( Consumer Product Safety Improvement Act ) translates as "U.S. Consumer Product Safety Improvement Act". It is a regulatory standard for consumer products and child care products in the U.S. market.
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The U.S. TSCA (full name: Toxic Substances Control Act ), commonly known as the U.S. Toxic Substances Control Act, was passed into effect by the U.S. Congress in 1977. It underwent major reforms in 2016 and is implemented by the U.S.