Home Display Materials Polyimide (PI) material 1,4,5,8-Naphthalenetetracarboxylic dianhydride (NTDA) 1,4,5,8-Naphthalenetetracarboxylic dianhydride (NTDA) CAS: 81-30-1 Category: Polyimide (PI) material Related products Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 Polyimide (PI) material 2,2-bis(4-cyanatophenyl)propane (BCP)CAS: 1156-51-0 Polyimide (PI) material 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material