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 Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material 1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene (6FAPB)CAS: 94525-05-0 Polyimide (PI) material 4,4-BIS(3-AMINOPHENOXY)BIPHENYL (BAPB-M)CAS: 105112-76-3 Polyimide (PI) material 4,4′-Oxydianiline (ODA)CAS: 101-80-4 Polyimide (PI) material