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′-Diaminobenzanilide (DABA)CAS: 785-30-8 Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material Bisphenol AFCAS: 1478-61-1 Polyimide (PI) material 9,9-Bis[4-(4-aminophenoxy)phenyl] fluorene (BAOFL)CAS: 47823-88-1 Polyimide (PI) material