Home Display Materials Polyimide (PI) material Pyromellitic Dianhydride (PMDA) Pyromellitic Dianhydride (PMDA) CAS: 89-32-7 Category: Polyimide (PI) material Related products 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material 6-(4-Hydroxyphenoxy)hexyl acrylateCAS: 161841-12-9 Polyimide (PI) material Nadic Anhydride (NA)CAS: 826-62-0 Polyimide (PI) material 2,2-Bis[4-(4-aminophenoxy)phenyl]-hexafluoropropanane (HFBAPP)CAS: 69563-88-8 Polyimide (PI) material