Home Display Materials Polyimide (PI) material 3,3′-Dihydroxybenzidine (HAB) 3,3′-Dihydroxybenzidine (HAB) CAS: 2373-98-0 Category: Polyimide (PI) material Related products 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material Bisphenol AFCAS: 1478-61-1 Polyimide (PI) material 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material 3,5-Diaminobenzoic acid (DABA)CAS: 535-87-5 Polyimide (PI) material