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Analysis of the difference

Analysis of the difference

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  • Time of issue:2020-11-19
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(Summary description)Halogen-containing flame retardants refer to halogen-containing polymers or flame retardant mixtures combined with halogen-containing flame retardants, mainly antimony trioxide and decabromodiphenyl ether, which are often referred to as bromine antimony flame retardants.

Analysis of the difference

(Summary description)Halogen-containing flame retardants refer to halogen-containing polymers or flame retardant mixtures combined with halogen-containing flame retardants, mainly antimony trioxide and decabromodiphenyl ether, which are often referred to as bromine antimony flame retardants.

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2020-11-19
  • Views:0
Information

  Halogen-containing flame retardants refer to halogen-containing polymers or flame retardant mixtures combined with halogen-containing flame retardants, mainly antimony trioxide and decabromodiphenyl ether, which are often referred to as bromine antimony flame retardants. Bromine antimony flame retardant has excellent flame retardant properties and has been widely used as a barrier material. However, when a fire occurs, such materials made of halogen-containing flame retardants will generate a large amount of smoke and toxic corrosive hydrogen halide gas when heated, causing secondary hazards. In February 2003, the European Union promulgated two directives, WEEE and RoHs. WEEE is a directive on the recycling of waste electrical and electronic equipment, and rohs is a directive on the restriction and prohibition of the use of certain toxic and hazardous substances and elements in electrical and electronic equipment. In August 2004, these two directives were converted into the laws (regulations) of the 15 EU member states. Western Europe has begun to implement new flame-retardant classification methods and testing standards in industries such as wire and cable, building materials, and coatings. China has also begun to apply for approval of national standards for the combustion performance levels of building materials and products. China’s flame retardant performance levels and national standards have many of the same characteristics as the new Western European standards, that is: to emphasize the fire development rate, heat release rate, smoke generation, and the corrosiveness and toxicity of combustion products as the judgment of flame retardant performance. standard. In order to pass such new standards, traditional halogen-based flame-retardant materials such as antimony trioxide will appear powerless.

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