Pyromellitic Dianhydride PDMA CAS 89-32-7
Buy Pyromellitic Dianhydride PDMA CAS 89-32-7, a chemical intermediate for making polyimide film, resin, powdery paint, delustering agent, from TNJ Chemical, China leading Pyromellitic Dianhydride suppliers & manufacturers from China. If you want to buy Pyromellitic Dianhydride, please mail to sales18@tnjchem.com