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Persona de contacto Ms. He
Majiadian, Yichang, Hubei
Product Grade: Photo-taking grade and technical grade. Use: Can be used as intermediates of polymer, monomer inhibitor, dyes and auxiliary; as antioxidant in food and medicine industry; as anti coagulant for gas; developer for film, photos and X-ray film. Packing: In PP woven bags with Kraft paper bag in the middle and two-ply inner PE bags. N.W.:*5kg per bag. Quality standard 1, Photo-taking grade(GB*******9) Index items Index(%) Appearance White needle crystal Hydroquinone(HOC6H4OH) content *9.0~**1.0 Melting point **1°C~**5°C Solubility Qualified Residue on ignition≤ 0.*5 Heavy Metal(based on Pb)≤ 0.**2 Iron(Fe) ≤ 0.**2 2, Technical grade Index items Index(%) Appearance Grey or yellowish powdery crystal Hydroquinone(HOC6H4OH) content ≥*9 Melting point ≥**9.5 Residue on ignition ≤0.3
