Sodium Metabisulfite (Food grade)：
Molecular formula: Na2S2O5；
The national standard: GB1893-2008；
Appearance: white or slightly yellow crystalline powder；
Packing: In 25kg net plastic lined plastic woven bags, or 1100kg net big bags；
Validity: 6 months from the date of production；
Specifications:
|
Project |
Indicators |
|
Content(Na2S2O5), ω /% |
≥ 96.5 |
|
Iron(Fe), ω /% |
≤ 0.003 |
|
Insoluble matter in water |
pass |
|
Heavy metal(Pb), ω /% |
≤ 0.0005 |
|
Arsenic(As), ω /% |
≤ 0.0001 |
Usage:
A. Bleaching agent in the food industry: Such as maintaining the oxygen in the vegetable dehydration; bleaching and maintaining the freshness of stored fruits like plum, orange, mango, olive, tremella fuciformis, dried bamboo shoots, sweet potato, peanut, mushroom, etc.
B. Preservatives: Anticorrosion and sterilizing in the production of glazed fruit, canned food, beer and beverages.
C. Osteoporosis agent: Reducing the toughness of gluten and making cookies crisp.
Used as a mordant dyeing,fabric antichlor after bleaching,paper fiber bleaching agents,chemical medicine by reducing agent and sulfonating agent,non-ferrous metal ore-dressing agent,waste water treatment agent,tanning agent for leather industries,natural rubber coagulant,additiver for building materials.
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