Home Display Materials Polyimide (PI) material 4,4′-Oxydiphthalic anhydride 4,4′-Oxydiphthalic anhydride CAS: 1823-59-2 Category: Polyimide (PI) material Related products 4,4′-Diaminobenzanilide (DABA)CAS: 785-30-8 Polyimide (PI) material Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 2,2-bis(4-cyanatophenyl)propane (BCP)CAS: 1156-51-0 Polyimide (PI) material