Home Display Materials Polyimide (PI) material 1,2,3,4-Cyclobutanetetracarboxylic1,2,3,4-dianhydride (CBDA) 1,2,3,4-Cyclobutanetetracarboxylic1,2,3,4-dianhydride (CBDA) CAS: 4415-87-6 Category: Polyimide (PI) material Related products 2,3,3′,4′-Tetracarboxydiphenyl oxide dianhydride (α-ODPA)CAS: 50662-95-8 Polyimide (PI) material 3,3′,5,5′-Tetramethylbenzidine (TMB)CAS: 54827-17-7 Polyimide (PI) material 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material 5-(3-phenylprop-2-ynoyl)-1,3-dihydro-2-benzofuran-1,3-dioneCAS: 1329658-14-1 Polyimide (PI) material