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 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material 4,4′-Oxydianiline (ODA)CAS: 101-80-4 Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material