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| Place of Origin: | Hunan |
| Brand Name: | Kemsky |
| Certification: | ISO 9001 |
| Model Number: | smbs 97% 98% purity |
| 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 |
| Name: | Sodium Metabisulphite 97% 98% Purity | Other Name: | Sodium Pyrosulphite 97% 98% Purity |
|---|---|---|---|
| Situation: | White Crystalline Powder | Grade: | Food And Tech Grade, |
| Usage: | Colors Stripper And Dechlorination | Relative Density: | 1.4 |
| High Light: | sodium metabisulfite preservative,sodium metabisulfite in water treatment |
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SMBS sodium metabisulfite powder 97% 98% purity white crystalline power Na2S2O5
SODIUM METABISULFITE FOOD GRADE
Molecular Formula:Na2S2O5
Molecular Weight:190.10
Appearance: white crystal powder.
Packing: polypropylene weaving bag, paper plastic complex bag and kraft lined with polyethylene plastic bag.
Net weight: 25, 50, 1000 kilograms per bag or according to demands from customers.
Usage:
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.
Nature:
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.
Specification:
Sodium metabisulfite food grade
| Item | Chinese standard | Company standard | |
| GB1893-2008 | |||
| Main content(Na2S2O5) | ≥96.5 | ≥97.5 | |
| Fe(As content Fe) | ≤0.003 | ≤0.0015 | |
| Clarity | Pass test | Clear | |
| Heavy metal content (Pb) | ≤0.0005 | ≤0.0002 | |
| Arsenic content (As) | ≤0.0001 | ≤0.0001 |
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
Tel: +8613975090964
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