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Specifications

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Classification: Phosphate Type: sodium metabisulphite CAS No.: 7681-57-4
Other Names: Disulfurous acid, disodium salt MF: Na2S2O5 EINECS No.: 231-673-0
Place of Origin: Hebei China (Mainland) Grade Standard: Food Grade, Industrial Grade Purity: 64%MIN
Appearance: Colorless Crystals Application: Bleaching agent for textile fibres  
   

Usage: Bleaching agent for textile fibres;
Colors stripper and dechlorination; preparation of Indigo Vat Dye; solubilizing and acidyfing agent for leather industries ;bleaching agent for paper pulps;
preservative and sterilisation agent for food industries
Specification

 

Analytical item Technique Index
sodium metabisulfite≥ 64
sodium sulfite 3
sodium sulphate %≤ 1.5
sodium chloride %≤ 0.1
moisture %≤ 0.05
insoluble %≤ 0.1
iron 10 ppm
heavy metals 10 ppm
 
 
 
 
 
List of products  we can export
For example :
Znic oxide…………………… …….direct method 90%-98%,
 
Zinc oxide………………………….indirect menthod 99.5%-99.7%
 
Formic acid…………………………85%-90%Min
 
Linear alkyl benzene sulphonic acid (LABSA)
 
Caustic soda……………………….99%/96%
 
Sodium Hexametaphosphate……68%Min
 
Sodium Metabisulphite……………64%Min
 
Carboxyl methyl cellulose………..(CMC)
 
Oxalic acid……………………………99.6%Min
 
Pentaerythritol………………………..98%Min
 
Chrome yellow light/middle/deep,   Green
 
Iron oxide……………………red/yellow/black/green/brown/blue
 
Lithopone……………………28-30%/30%
 
Sulphur black………………..200%/180%/150%BR/B
 
Titanium dioxide……………..anatase&rutile type
 
Glacial acetic acid……………99%&99.5%&99.7%
 
Sodium formate……………….97%
 
Carbon black……………………N220&N330&N550&N660
 
Aluminium sulphate……………17%&15.8%
 
Sodium tripolyphosphate……..94% (STPP)
 
Calcium Chloride…………………74%&77%&94%
 
SLES…………………………………70%