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Name:

Sodium Metabisulphite(SMBS)

Chemical formula:

Na2S2O5

Physical appearance:

White powder or small crystalline particles.

Quality standard:

GB1893-1998

Description:

Sodium Metabisulphite, Sodium Metabisulfite, SMBS, E222, Sodium Pyrosulfite, 7681-57-4, Sodium Bisulfite, Na2S2O5, So2 65%, sodium metabisulphite china

Application:

1>Bleaching agent for textile fibres;
2>Colors stripper and dechlorination;   
3>Preparation of Indigo Vat Dye;
4>Solubilizing and acidyfing agent for leather industries ;
5>Bleaching agent forpaper pulps;  
6>Preservative and sterilisation agent for food industries.
 
Package:

1>25kg /50kg compound plastic woven bag with inner polythene liner;  

2>1000kg Jumbo bags;   3>Any other particular requirements to the package can be discussed.

Shelf Life:

Half one year.

Storage & Handling:

1>Store the product in a cool and dry place;
2>Prevent from direct sunlight,water and moisture;
3>Avoid contact with strong acid,oxidants or poisonous substances;
4>Exposure to moisture will make it oxidze easily to sodium sulphate;
5>Do not store it for long time.

Product Specification:

                                       TECH GRADE     FOOD GRADE  
NA2S2O5                             >96.5%                >97.0%
SO2                                      >65%                   >65%
FE                                        <0.005%              <0.003%
WATER INSOLUBLE             <0.05%              <0.05%
HEAVY METAL(PB)              <0.001%             <0.001%
AS                                       <0.0003%            <0.0001%
 
 

 

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