Global Pyromellitic Dianhydride (PMDA) Market - Lonza, Evonik, Shandong Helishi, Liyang Qingfeng, Leheng Chemical
Global Pyromellitic dianhydride (PMDA) Market is an organic compound with the formula C6H2(C2O3)2. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton. It is a white solid.
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