Home Display Materials Polyimide (PI) material 1,2,3,4-Butanetetracarboxylicdianhydride (BDA) 1,2,3,4-Butanetetracarboxylicdianhydride (BDA) CAS: 4534-73-0 Category: Polyimide (PI) material Related products 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material 3,5-Diaminobenzoic acid (DABA)CAS: 535-87-5 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 6-(4-Hydroxyphenoxy)hexyl acrylateCAS: 161841-12-9 Polyimide (PI) material