TNN Pure white mordant Sodium metabisulfite Food Grade
Review
Description
Product Parameter
|  Item | Standard | |
| CONTENT (AS Na2S2O5) | 97% MIN | |
| IRON (Fe) | 0.003%MAX | |
| CLARITY | PASS | |
| HEAVY METALS(As Pb) | 0.0005%MAX | |
| ARSENIC	 |  0.0001%MAX | |
| WATER INSOLUBLE	 | 0.05%MAX | |
| PH VALUE | 4.0-4.6 | |
 
                                Type: Sodium Sulphate
CAS No.:7681-57-4
MF: Na2S2O5
EINECS No.:231-673-0
Place of Origin: China (Mainland)
Grade Standard: Food Grade, Industrial Grade
Purity: 97%min
Application: Bleach, mordant
Brand Name: TNN
Na2S2O5: 97.35%
Packing & Delivery
                     
                             
                            Application
                    A. Sodium metabisulfite food grade apply in Bleacher(Sweet,pastry,water-soaked bamboo slices,etc.)loosening agent (bread,biscuit,etc.); corrosion resistance antiseptic(fruit juice,can,brewing, grain storage,etc.)antioxygen antistaling agent(acupuncture needle sprout,sea food, garden stuff,etc.)
B. Sodium metabisulfite tech grade, use as Printing and dyeing mordant; antichlor in after fabric bleaching 
;chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry.
C. Sodium metabisulfite is also used in floating agent in Copper Mining.













