Pyromellitic Dianhydride (PMDA) Powder that we are offering is widely acclaimed for its top-notch quality and effectiveness. It is an organic compound with the chemical formula C6H2(C2O3)2. It is used to prepare polymers such as Kapton. The chemical is composed using the top-notch chemical constituents which are responsible for its efficacy and performance. Pyromellitic Dianhydride (PMDA) Powder is a while color chemical.