Home Display Materials Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA) 4,4′-Diaminodiphenylmethane (MDA) CAS: 101-77-9 Category: Polyimide (PI) material Related products 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material 2,2′-Bis(4-aminophenoxyphenyl) propane (BAPP)CAS: 13080-86-9 Polyimide (PI) material 9,9-Bis(3-fluoro-4-aminophenyl) fluorene(FFDA)CAS: 127926-65-2 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material