bpda
post date: dec 26,2021 expiry date: dec 26,2022 detailed description: cas no. :2420-87-3 purity: 99.5%min./ 99.9%min.appearance: white powdermetal ions: 1ppm max. for one single metal ionspacking size: 1kg/bag；20kg/drumapplication: thermoplastic polyimide material, pi film etc.for details, please contact the sales manager: mr.ye 18222275652; ms. cao 18222265956; sales department: 022-83726202-8855 cas registry number: 2420-87-3 synonyms: ;3,3,4,4-biphenyltetracarboxylic dianhydride;biphthalicanhydride;4,4-biphthalic…
