Home Display Materials Polyimide (PI) material 3,3′,4,4′-Benzophenonetetracarboxylic dianhydride(BTDA) 3,3′,4,4′-Benzophenonetetracarboxylic dianhydride(BTDA) CAS: 2421-28-5 Category: Polyimide (PI) material Related products 2,2-bis(4-cyanatophenyl)propane (BCP)CAS: 1156-51-0 Polyimide (PI) material 5-(3-phenylprop-2-ynoyl)-1,3-dihydro-2-benzofuran-1,3-dioneCAS: 1329658-14-1 Polyimide (PI) material Bis(4-aminophenyl)terephthalate (BAPT)CAS: 16926-73-1 Polyimide (PI) material 2,2′-Bis(4-aminophenoxyphenyl) propane (BAPP)CAS: 13080-86-9 Polyimide (PI) material