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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

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    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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