Home Display Materials Polyimide (PI) material Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate (PHAP) Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate (PHAP) CAS: 21117-79-3 Category: Polyimide (PI) material Related products Nadic Anhydride (NA)CAS: 826-62-0 Polyimide (PI) material Bisphenol AFCAS: 1478-61-1 Polyimide (PI) material 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 Polyimide (PI) material 9,9-Bis(3-fluoro-4-aminophenyl) fluorene(FFDA)CAS: 127926-65-2 Polyimide (PI) material