Home Display Materials Polyimide (PI) material Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate (PHAP) Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate (PHAP) CAS: 21117-79-3 Category: Polyimide (PI) material Related products 2,2′-Bis(4-aminophenoxyphenyl) propane (BAPP)CAS: 13080-86-9 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 1,4-Bis(3,4-Dicarboxyphenoxy)benzene Dianhydride (HQDPA)CAS: 17828-53-4 Polyimide (PI) material 3,5-Diaminobenzoic acid (DABA)CAS: 535-87-5 Polyimide (PI) material