Home Display Materials Polyimide (PI) material 3,3′-Dihydroxybenzidine (HAB) 3,3′-Dihydroxybenzidine (HAB) CAS: 2373-98-0 Category: Polyimide (PI) material Related products 1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene (6FAPB)CAS: 94525-05-0 Polyimide (PI) material 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 Polyimide (PI) material 4,4′-Oxydianiline (ODA)CAS: 101-80-4 Polyimide (PI) material 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material