Min. Order Reference FOB Price
1 kg Negotiable
Product Description
Product Description Specification APPEARANCE WHITE POWDER Purity 99.8% Melting point 196-198 Metal ion(ppm) 2 Packing &Delivery 2,3,3',4'-Biphenyltetracarboxylic dianhydride be used for the preparation of a polyimide material. Company Profile Chengdu Yuanda Chemical Co., Ltd. is a ...