Home Display Materials Polyimide (PI) material 3,3,4,4-diphenylsulfonetetracarboxylicdianhydride (DSDA) 3,3,4,4-diphenylsulfonetetracarboxylicdianhydride (DSDA) CAS: 2540-99-0 Category: Polyimide (PI) material Related products Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material 2,2-Bis[4-(4-aminophenoxy)phenyl]-hexafluoropropanane (HFBAPP)CAS: 69563-88-8 Polyimide (PI) material