Black Polyimide Film manufacturer / supplier in China, offering 1, 2, 4, 5-Benzenetetracarboxylic Anhydride / Pyromellitic Dianhydride/ Used as Solidified Agent for Epoxy / C10H2O6, Pyromellitic Dianhydride / Einecs 201-898-9 / Decomposes in Water / Pmda/ Pyromelliticanhydride, Polyimide Raw Material-Pmda / Pyromellitic Dianhydride / High Purity / Factory Supply and so on.
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