联系人 Ms. sun
hongwu, Nanjing, Jiangsu
Product name: Sodium hydrosulfite (rongalite) Molecular Formula: Na2S2O4 Quality standard: HG******1 JISK********5 Exterior /Appearance: White free flowing crystal powder. Smell: Flavourless or smell of sulfur dioxide Usage: It can be used in the pulp industry, printing and dyeing industry, spinning and weaving industry, and so on. Package: Inner line PE/nylon/PE three-layer composite plastic bag, outside bag is composite plastic weaving bag, net weight *5KG. Or up to customer\**9;s requirement HS Code: *******0 Specifications: Guidelines *0% *8% *5% Na2S2O4 â¥*0% â¥*8% â¥*5% Fe â¤*0ppm â¤*0ppm â¤*0ppm Zinc (Zn) â¤1ppm â¤1ppm â¤1ppm Other heavy metal (With Pb to calculate)â¤1ppm â¤1ppm â¤1ppm Matter which does not dissolve in water â¤0.*5% â¤0.*5% â¤0.*5% Storage time limit(month) *2 *2 *2