Home Display Materials Polyimide (PI) material 1,4-Bis(3,4-Dicarboxyphenoxy)benzene Dianhydride (HQDPA) 1,4-Bis(3,4-Dicarboxyphenoxy)benzene Dianhydride (HQDPA) CAS: 17828-53-4 Category: Polyimide (PI) material Related products 3,3′,5,5′-Tetramethylbenzidine (TMB)CAS: 54827-17-7 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 3,5-Diaminobenzoic acid (DABA)CAS: 535-87-5 Polyimide (PI) material