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Rongda Chemical Co., Ltd.

China Manufacturer with main products: Sodium Carboxymethyl Cellulose, Zinc Sulphate Monohydrate, Zinc Sulphate Heptahydrate, Rongalite Lump, Sodium Metabisulphite, Sodium Sulfite,...

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Sodium metabisulphite

Supply Ability: 3,000 Ton per Month
Shipping: within 15days after received LC or T/T advance
Payment Terms: L/C, T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Hunan in China
Packaging Details: Compound plastic woven bag with polyethylene liner, net weight 25kg or 50kg each.

Quick Details

  • CAS No.: 7681-57-4
  • Other Names: Sodium metabisulfite
  • MF: Na2S2O5
  • Grade Standard: Industrial Grade
  • Purity: 97%
  • Appearance: White or slightly yellow crystal powder
  • Application: Bleaching agent for textiles. Dechlorination agent for bleached textiles. Bleaching agent paper pulps.Bactericide and antiseptic in food industries.
  • Brand Name: Rongda

Specifications

1.monthly output about 3000MT
2.Purity(Na2S2O5): 97% Min
3.SO2 Content: 65% Min
4.CAS No.:7681-57-4
5. Chemical formula:Na2S2O5
6.Standard:Industrial Grade:HG/T2826-2008,Food Grade:GB1893-2008
Product Specification:

Item
Index
Technical Grade
Food Grade
 
Special
First
Na2S2O5
96.5%min
95.0%min
96.5%min
Iron (Fe)
50ppm%max
100ppm%max
30ppm%max
Clear degree
--
--
Through the test
Water-fast material
0.05%max
0.05%max
--
Heavy metal(Pb)
--
--
5ppm%max
Arsenic(As)
1ppm%max
--
1ppm%max
 
Physical appearance:White or slightly yellow crystal powder.
3. Package: Compound plastic woven bag with polyethylene liner, net weight 25kg or 50kg each.
Delivery time: within 15days after received LC or T/T advance
4. Notice: Store it in aeration and shady place . Not put it together with strong acids, oxidants. Avoid the wrappage being perforated and prevent from water and moisture when conveyed. Exposure to moisture will make it to be oxidized easily to release SO2. Do not store it for long time.
5. Aplication: Bleaching agent for textiles. Dechlorination agent for bleached textiles. Bleaching agent paper pulps.Bactericide and antiseptic in food industries. Disposal agent for waste water,etc.

6. Quality-keep time:6 months.

Service Process

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