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Products
  • inquire1,2,4,5-Benzenetetracarboxylic acid
    CAS NO : 89-05-4;   MF : C10H2O8

    In the pyromellitic acid refining unit, crude pyromellitic dianhydride obtained by air-phase catalytic oxidation of Pyromellitic benzene is refined and dried. Leading technology i... >>>

  • inquire1,2,4,5-Benzenetetracarboxylic dianhydride
    CAS NO : 89-32-7;   MF : C10H2O6

    Product performance Crude Pyromellitic dianhydride (crude PMDA) is mainly used in the manufacture of polyimide resin, which is used as raw material for high temperature el... >>>

  • inquirePyromellitic Dianhydride
    CAS NO : 89-32-7;   MF : C10H2O6

    Pyromellitic dianhydride(PMDA) Pyromellitic dianhydride(PMDA) is mainly used as extinction curing agent, polyimide resin and film, high temperature resistant electrical in... >>>

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