Description

Appearance:  white or light yellow crystalline powder or crystals. Stored for a long time color will turn yellow.
 
Grade:  Food Grade,Industrial Grade,Photo Grade, Pharmaceutical Grade
Storage:  shading, sealing preservation. Prohibit contact with strong acid and strong oxidize
Performance
 
Sodium metabisulfite is white or yellow crystalline powder or crystals, with a strong smell of
SO2, specific gravity is 1.4, soluble in water, acidic aqueous solution, contact with strong acids
are released SO2 and generate the corresponding salts, for a long time in the air and oxidized
to Na2S2O6, Products can\'t long-term exposed to the air. Higher than **0 degrees Celsius.
Namely, after the decomposition get SO2.
 
Application
  
1,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.)
 
2,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.
The hide profession employ to do to molt dose and pliable dose and wearproof dose ;
sewage treatment, and so on .
 
3,Pharmaceutical Grade:
In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
 
4,Photo Grade:
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
 
Packing: Packed in *5kg plastic woven bag,*5kg kraft paper bag, *5kg PE bag, ***0kg jumbo bag or according to customer’s requirement