Home Display Materials Polyimide (PI) material 4-Aminobenzoic acid 4-aminophenyl ester (APAB) 4-Aminobenzoic acid 4-aminophenyl ester (APAB) CAS: 20610-77-9 Category: Polyimide (PI) material Related products Nadic Anhydride (NA)CAS: 826-62-0 Polyimide (PI) material 4,4-BIS(3-AMINOPHENOXY)BIPHENYL (BAPB-M)CAS: 105112-76-3 Polyimide (PI) material 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material