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安慶市月銅鉬業有限公司

Anqing Yuetong Molybdenum Co., Ltd.

Specializing in the production of molybdenum series and
halogen-free flame retardant series products

PRODUCTS

yuetong molybdenum

Sodium Metabisulphite

Product Name Sodium Metabisulphite
CAS No. 7681-57-4
Molecular formula Na2S2O5
Molecular weight 190.10
Appearance white or slightly yellow crystalline powder
Quality Standard
Item Indicators National Institute of Standards Indicators
industrial Food Grade Excellent First-class Qualified Products Food Grade
Main Content ≥97.0 ≥97.5 ≥96.0 ≥94.0 ≥92.5 ≥96.5
Iron content ≤0.0015 ≤0.001 ≤0.005 ≤0.010 ≤0.015 ≤0.003
Water-insoluble content ≤0.01 ≤0.01 ≤0.05 ≤0.05 ≤0.10 ≤0.05
Arsenic conten ≤0.0001 ≤0.0001 ≤0.0001 - - ≤0.0005
Applications printing and dyeing mordant: antichlor fabric after bleaching; chemical industry, medicine by reducing agent and sulfonating agent; bamboo, wood, paper fiber bleaching agent; non-ferrous metal ore-dressing agent; waste water treatment agent; rubber coagulant; fragrance for industrial use aldehyde fragrance for tibial base; leather industry to do hair removal agent, softener and wear-resistant agent; photographic industry for the reagent, reducing agent, agent fixative protection.
Packing specification 25/50kg in woven bag with inner double layers plastic bag.

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