Home Display Materials Polyimide (PI) material 1,2,4,5-cyclohexanetetracarboxylic dianhydride (HPMDA) 1,2,4,5-cyclohexanetetracarboxylic dianhydride (HPMDA) CAS: 2754-41-8 Category: Polyimide (PI) material Related products 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material 3,3′,5,5′-Tetramethylbenzidine (TMB)CAS: 54827-17-7 Polyimide (PI) material Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material Nadic Anhydride (NA)CAS: 826-62-0 Polyimide (PI) material