Home Display Materials Polyimide (PI) material 4-Phenylethynylphthalic anhydride (PEPA) 4-Phenylethynylphthalic anhydride (PEPA) CAS: 119389-05-8 Category: Polyimide (PI) material Related products 4,4′-Diaminodiphenylmethane (MDA)CAS: 101-77-9 Polyimide (PI) material 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(4-cyanatophenyl)propane (BCP)CAS: 1156-51-0 Polyimide (PI) material