天津永棣进出口有限公司

Tianjin Leading Import & Export Co., Ltd.

Calcium Hydrosulphite


  • FOB Price: USD 1-50 / kg
  • Min.Order Quantity: 100kg
  • Loading Port: Any China Port
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    Product Tags

    Sodium hydrosulphite 

    General name: Sodium hydrosulphite

    Molecular formula: Na2S2O4

    Appearance:white free-flow crystal powders

    Smell:flavourless or smell of sulfur dioxide

    Packing:50kg net iron drums with double inner polybags.

    Application: 
    1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
    2. It is also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps. 
    3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 
    4. It is used in mineral, the compound of thiourea and other sulphides. 
    5. It is used as reducing agent in chemical industry.
    6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. 

    INDEX

    90%

    88%

    85%

    FOOD ADDITIVE

    Na2S2O4

    ≥90%

    ≥88%

    ≥85%

    ≥85%

    Fe

    ≤20ppm

    ≤20ppm

    ≤20ppm

    ≤20ppm

    Zinc(Zn)

    ≤1ppm

    ≤1ppm

    ≤1ppm

    ≤1ppm

    Other heavy metal

    (calculated as Pb)

    ≤1ppm

    ≤1ppm

    ≤1ppm

    ≤1ppm

    Water Insolubles

    ≤0.05%

    ≤0.05%

    ≤0.05%

    ≤0.05%

    Shelf Life(month)

    12

    12

    12

    12


  • Previous:
  • Next:

  • Related Products

    

    Contact Us

    We are always ready to help you.
    Please contact us at once.
  • Adress: 704/705,Building 2,Meinian Plaza,No.16 Dongting Road,Hexi District,Tianjin 300222,China
  • Phone: 0086-22-27824571
  • E-mail: info@tianjinleading.com
  • Address

    704/705,Building 2,Meinian Plaza,No.16 Dongting Road,Hexi District,Tianjin 300222,China

    E-mail

    Phone

    Site2

    WhatsApp Online Chat !