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Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS

Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS

    • Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS
    • Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS
    • Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS
  • Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS

    Product Details:

    Place of Origin: Hunan
    Brand Name: OEM,SANXIANG
    Certification: SGS,ISO 9001
    Model Number: sodium pyrosulfite-f4

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 metric ton
    Price: usd 300 per metric ton
    Packaging Details: 25 kgs bag,1000 kgs big bag
    Delivery Time: 5-8 days
    Payment Terms: T/T , L/C
    Supply Ability: 3000 tons per month
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    Detailed Product Description
    Name: Flour Preservative Sodium Pyrosulfite Smbs Other Name: Flour Preservative Sodium Metabisulfite
    Situation: Dry Powder Crystalline Grade: Food Grade
    Usage: Food Preservative For Flour Mocular: Na2S2O5

    SODIUM PYROSULFITE/SODIUM METABISULFITE 

     

     

    Item Index
    Superior quality First class
    Main content(Na2S2O5 ),% ≥ 96.5 95%
    Iron(Fe), % ≤ 0.005 0.01
    Water-insoluble, % ≤ 0.05 0.05
    Arsenic(As), % ≤ 0.0001 ---

     

     

    Use:Printing and dyeing mordant; antichlor in after fabric bleaching; chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry
    Packing:25, 50, 1000kg/bag or customized in polypropylene woven bag lined with polyethylene plastic bag or plastic and paper compound bag, kraft bag, etc.

     

    Quality:




    ITEM
    QUALITY INDEX
    Result
    Content of Na2S2O5
    (calculated by dry base) %
    97.2%
    Content of SO2 65%
    Content of chloride(NaCl)
    (calculated by dry base) %
    0.1
    ARSENIC 0.0001
    Content of insolubles in water
    (calculated by dry base) %
    0.017
    Moisture % 1.0
    Heavy Metal(AS Pb) 0.004
    Iron(Fe) 0.0009
    PH Value 4.5
    Appearance of product White fine crystal with slightly yellowish
    Packing 25kg/bag, polywoven plastic bag outer , and PE film bag inner
    Result FIRST QUALITY
    Remark
     

     

    Name:

    Sodium metabisulfit

     

    Appearance: White Free Flowing Fine Crystal or Powder
    Specification:

    Industrial grade

    1) Purity (calculated with Na2S2O5): 96%

    2) Iron (Fe): 0.005%

    3) SO2: 65%

    4) PH value: 4.0-4.6

    5)Water insoluble matter: 0.05%

     

    Foodstuff grade

    1) Purity (calculated with Na2S2O5): 98%

    2) Iron (Fe): 0.0005%

    3) Arsenic (As): 0.0002%

    4) pH value: 4.0-4.6

    5) Water insoluble matter: 0.05%

    6) Heavy metal (Cal. in Pb): 0.002%

     

    Package: 25kg, 50kg pp woven bag with plastic lining, or 1000kg per package
    Usage:

    1.Dye printing mordant.

    2.Textile antichlor after being bleached.

     

    3.Reducing agent and sulfonating agent for chemical and medical use.

    4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent.

     

    Sodium Metabisulfite
    Molecular Formula: Na2S2O5
    Molecule Weight: 190.12
    CAS NO.:7681-57-4
    EC:231-673-0
    UN: 2693
    HS:28321000

     

     

     

    Na2S2O5 Food Grade Sodium Pyrosulfite Flour Preservative / Bleach Agent SMBS



     

    Contact Details
    NINGBO SOURCECHEM CO.,LTD

    Contact Person: Ms.xie

    Tel: +8613975090964

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