Home Display Materials Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA) 4,4′-Diaminodiphenylmethane (MDA) CAS: 101-77-9 Category: Polyimide (PI) material Related products Nadic Anhydride (NA)CAS: 826-62-0 Polyimide (PI) material Bisphenol AFCAS: 1478-61-1 Polyimide (PI) material Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material 5-(3-phenylprop-2-ynoyl)-1,3-dihydro-2-benzofuran-1,3-dioneCAS: 1329658-14-1 Polyimide (PI) material