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 Bisphenol AFCAS: 1478-61-1 2,2-bis(4-cyanatophenyl)propane (BCP)CAS: 1156-51-0 9,9-Bis[4-(4-aminophenoxy)phenyl] fluorene (BAOFL)CAS: 47823-88-1 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2