国模张文静啪啪私拍150P

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    sell 3,3',4,4'-benzophenonetetracarboxylic dianhydride; BTDA

    BTDA is important monomer of polyimide, and used for production of polyimide material. The material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. Can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.

    3,3',4,4'-benzophenonetetracarboxylic dianhydride

    SynonymsBenzophenone-3,3',4,4'-tetracarboxylic dianhydride;

    4,4'-Carbonyldiphthalic anhydride; BTDA

    Molecular FormulaC17H6O7

    Molecular Weight322.23

    CAS2421-28-5

    EINECS219-348-1

    Melting point219-226 oC

    Sublimation220-230 oC

    Flash point324 oC

    Water solubilityREACTS

    Purity:99%

    BTDA is important monomer of polyimide, and used for production of polyimide material. The material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. Can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.


    国模张文静啪啪私拍150P
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