Home Display Materials Polyimide (PI) material 3,3′-Dihydroxybenzidine (HAB) 3,3′-Dihydroxybenzidine (HAB) CAS: 2373-98-0 Category: Polyimide (PI) material Related products 2,2-Bis[4-(4-aminophenoxy)phenyl]-hexafluoropropanane (HFBAPP)CAS: 69563-88-8 Polyimide (PI) material p-PhenylenediaMine(p-PDA)CAS: 106-50-3 Polyimide (PI) material 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material 1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene (6FAPB)CAS: 94525-05-0 Polyimide (PI) material