Home Display Materials Polyimide (PI) material 9,9-dimethyl-9H-fluorene-2,7- diamine (S-A-1) 9,9-dimethyl-9H-fluorene-2,7- diamine (S-A-1) CAS: 216454-90-9 Category: Polyimide (PI) material Related products 3,3′,5,5′-Tetramethylbenzidine (TMB)CAS: 54827-17-7 Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material 4,4′-Oxydianiline (ODA)CAS: 101-80-4 Polyimide (PI) material 2,2-Bis[4-(4-aminophenoxy)phenyl]-hexafluoropropanane (HFBAPP)CAS: 69563-88-8 Polyimide (PI) material