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Minimum Order
Place of Origin:
tianjin,china
Price for Minimum Order:
-
Minimum Order Quantity:
-
Packaging Detail:
pp bags
Delivery Time:
within one week
Supplying Ability:
-
Payment Type:
T/T, L/C
連絡先担当者 victor
Wuyingshan road Tianqiao Jinan, Jinan, Shandong
Sodium Metabisulfite
CAS number: ********4
Molecular formula: Na2S2O5
Molecular weight: **0.*2
Item Specification
 Food Grade Tech Grade
Appearance: White or Slightly Yellow Crystalline Powder
Content *8.0% Min *8.0% Min
SO2 *5.0% Min *5.0% Min
Na2S2O4 2.0% Max 2.0% Max
Insolubles In Water 0.*5% Max 0.*5% Max
Particle Size *5% (Mesh **0) *5% (Mesh **0)
pH 4.5 *5.5 4 *4.6
Fe 5ppm max 5ppm max
Heavy Metal *0 ppm max  
As 1 ppm max  
Usage:
Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc);
Loose agent (e.g. bread, cracker etc); Antiseptic and germicide
(e.g. fruit juice, tinned food, brews, the cereals food is defended
storage etc); Inhibitor and freshen agent (e.g. day lily, seafood,
fruit and vegetable etc).
Industry Grade: Mordant of printing and dyeing; Dechlorinate of
textile after bleaching; Sulphonated agent and reducer of chemical
industry and pharmacy; Bleach of paper pulp, bamboo and timber
bleach of Stap; Treatment agent of waste water; Rubber solidifying
agent Perfume industry is served as hydro carbon perfume
aldehyde.