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 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material 1,4-Bis(3,4-Dicarboxyphenoxy)benzene Dianhydride (HQDPA)CAS: 17828-53-4 Polyimide (PI) material 9,9-Bis(3-fluoro-4-aminophenyl) fluorene(FFDA)CAS: 127926-65-2 Polyimide (PI) material Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material