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 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 Polyimide (PI) material 2,2′-Bis(4-aminophenoxyphenyl) propane (BAPP)CAS: 13080-86-9 Polyimide (PI) material 4,4′-Diaminobenzanilide (DABA)CAS: 785-30-8 Polyimide (PI) material 6,6′-Diaminodiphenylmethane-3,3′-dicarboxylic acid (MBAA)CAS: 7330-46-3 Polyimide (PI) material