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SKU 22803-05-0
3,3',4,4'-Biphenyltetracarboxylic Acid
CAS 22803-05-0
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3,3',4,4'-Biphenyltetracarboxylic Acid
CAS NO.:22803-05-0
After dehydration, it is transformed into 3,3 ', 4,4' - biphenyldianhydride, which can be polymerized with a variety of diamines to obtain polyimide insulation materials with excellent heat resistance, hydrolysis resistance, good mechanical and flexible properties