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 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 2,2-bis(4-cyanatophenyl)propane (BCP)CAS: 1156-51-0 Polyimide (PI) material 6,6′-Diaminodiphenylmethane-3,3′-dicarboxylic acid (MBAA)CAS: 7330-46-3 Polyimide (PI) material