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 4,4′-Oxydianiline (ODA)CAS: 101-80-4 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 4,4′-Diaminobenzanilide (DABA)CAS: 785-30-8 9,9-Bis(3-fluoro-4-aminophenyl) fluorene(FFDA)CAS: 127926-65-2