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 1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene (6FAPB)CAS: 94525-05-0 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 4,4′-Oxydianiline (ODA)CAS: 101-80-4 Polyimide (PI) material Nadic Anhydride (NA)CAS: 826-62-0 Polyimide (PI) material