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 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 4,4′-Oxydianiline (ODA)CAS: 101-80-4 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 3,3′-Dihydroxybenzidine (HAB)CAS: 2373-98-0