|Place of Origin:||Hunan|
|Model Number:||smbs powder|
|Minimum Order Quantity:||1 metric ton|
|Price:||usd 280-320 per metric ton|
|Packaging Details:||25 kgs bag,1000 kgs big bag|
|Delivery Time:||5-8 days|
|Payment Terms:||T/T , L/C|
|Supply Ability:||3000 tons per month|
|Shelf Life:||6 Months||Grade:||Industry Grade|
|Usage:||Solubilizing And Acidyfing Agent For Leather Industries Wastewater Treatment||Mocular:||Na2S2O5|
sodium metabisulfite in water treatment,
sodium metabisulphite food grade
SODIUM METABISULFITE FOOD GRADE
1.Mordant:printing and dyeing industry
2.Bleaching Agent: waste water/textile/paper pulp/bamboo/timber
3.Rubber solidifying agent
4.Hydrocarbon perfume aldehyde: perfume industry
1.Bleaching agent (e.g. candies, cake, bamboo shoots)
2.Loosening agent (e.g. bread, cracker)
3.Antiseptic and germicide (e.g. fruit juice, tinned food brews, the cereals food)
4.Inhibitor and freshen agent (e.g. day lily, seafood, fruitand vegetable)
1.High Quality Sodium Metabisulfite Industrial Use
3.frre sample and quick delivery
Sodium metabisulfite industrial grade
|Chinese standard||Company standard|
|Fe %( Fe)||≤0.005||≤0.010||≤0.002|
|5. CAS No||7681-57-4|
|6. HS CODE||28321000|
|7. EINECS No||231-673-0
Sodium metabisulfite food grade
|Item||Chinese standard||Company standard|
|Fe(As content Fe)||≤0.003||≤0.0015|
|Heavy metal content (Pb)||≤0.0005||≤0.0002|
|Arsenic content (As)||≤0.0001||≤0.0001|
white or light yellow crystalline powder , relative density is 1.4 . Soluble in
water (when20 ° C, 54g/100ml water; when 100 ° C, 81.7g/100ml water),
acidic aqueous solution. Soluble in glycerine, slightly soluble in ethanol.
Moisture easily decomposed, exposed in the air easily oxidized into
sulfate. Exposure to emit sulfur dioxide and acid generated the corresponding
salts. Heated to 150 ° C decomposition.
Pharmaceutical industry for the production of chloroform, benzene, styrene
sulfone, and formaldehyde. Rubber industry as a coagulant. Bleached cotton
printing and dyeing industry as the dechlorination agent, cotton scouring agent.
Leather tanning industry for processing, make the leather soft, plump, tough,
waterproof, bending, wear and other properties. The chemical industry for the
production of vanillin hydroxyl, hydroxylamine hydrochloride and so on.
Sensitive industries such as reagent. The food industry as a bleaching agent,
preservatives, leavening agent, antioxidant, color agents and the insurance agent.
According to China GB2760-86 provides that: as a preservative for the wine, the
greatest use of 0.25g/kg; as bleaching agent for glucose, sugar, bamboo, rattan
and other mushrooms, no more than 0.45g/kg; residue (SO2 total), bamboo shoots,
mushrooms are not allowed more than 0.025k/kg.
Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.
Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid rain.
Contact Person: Ms.xie