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Na2S2O5 96% Purity Sodium Metabisulfite Preservative For Leather Tanning Industry process china

Na2S2O5 96% Purity Sodium Metabisulfite Preservative For Leather Tanning Industry process china

Na2S2O5 96% Purity Sodium Metabisulfite Preservative For Leather Tanning Industry process china

Product Details:

Place of Origin: Hunan province China
Brand Name: Kemsky
Certification: ISO 9001
Model Number: smbs

Payment & Shipping Terms:

Minimum Order Quantity: 1 metric ton
Price: usd 300 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
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Detailed Product Description
Other Name: Sodium Pyrosulfite Situation: Crystalline Powder
Grade: Food And Tech Grade Usage: Preservative Antistaling Agent,food Industrial
Packing: 25 Kgs Plastic Woven Bag/1000 Kgs Jumbo Bag Mocular: Na2S2O5

 

SODIUM METABISULFITE  FOOD GRADE

 

1.Grade Food grade
2.Purity 97%
3.Molecular formula Na2S2O5
5. CAS No 7681-57-4
6. HS CODE 28321000
7. EINECS No 231-673-0

 

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.

 

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.

 

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

 

 


Sodium metabisulfite industrial grade

 

Item

Chinese standard Company standard
  HG/T2826-2008  
  Top-grade First grade  
Main content(Na2S2O5) ≥96.5 ≥95.0 ≥97.0
Fe %( Fe) ≤0.005 ≤0.010 ≤0.002
Water-Insoluble ≤0.05 ≤0.05 ≤0.02
Arsenic(As) content ≤0.0001 / ≤0.0001

 

 

Na2S2O5 96% Purity Sodium Metabisulfite Preservative For Leather Tanning Industry process china 

10. Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.

11. 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 Details
NINGBO SOURCECHEM CO.,LTD

Contact Person: Ms.xie

Tel: +8613975090964

Send your inquiry directly to us (0 / 3000)

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