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| Place of Origin: | Hunan |
| Brand Name: | OEM,SANXIANG |
| Certification: | SGS,ISO 9001 |
| Model Number: | sodium pyrosulfite-f4 |
| 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 |
| Name: | Flour Preservative Sodium Pyrosulfite Smbs | Other Name: | Flour Preservative Sodium Metabisulfite |
|---|---|---|---|
| Situation: | Dry Powder Crystalline | Grade: | Food Grade |
| Usage: | Food Preservative For Flour | Mocular: | Na2S2O5 |
| High Light: | sodium metabisulfite powder,smbs sodium metabisulfite |
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SODIUM PYROSULFITE/SODIUM METABISULFITE
| Item | Index | |
| Superior quality | First class | |
| Main content(Na2S2O5 ),% ≥ | 96.5 | 95% |
| Iron(Fe), % ≤ | 0.005 | 0.01 |
| Water-insoluble, % ≤ | 0.05 | 0.05 |
| Arsenic(As), % ≤ | 0.0001 | --- |
Use:Printing and dyeing mordant; antichlor in after fabric bleaching; chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry
Packing:25, 50, 1000kg/bag or customized in polypropylene woven bag lined with polyethylene plastic bag or plastic and paper compound bag, kraft bag, etc.
Quality:
ITEM |
QUALITY INDEX |
| Result | |
| Content of Na2S2O5 (calculated by dry base) % |
97.2% |
| Content of SO2 | 65% |
| Content of chloride(NaCl) (calculated by dry base) % |
0.1 |
| ARSENIC | 0.0001 |
| Content of insolubles in water (calculated by dry base) % |
0.017 |
| Moisture % | 1.0 |
| Heavy Metal(AS Pb) | 0.004 |
| Iron(Fe) | 0.0009 |
| PH Value | 4.5 |
| Appearance of product | White fine crystal with slightly yellowish |
| Packing | 25kg/bag, polywoven plastic bag outer , and PE film bag inner |
| Result | FIRST QUALITY |
| Remark |
| Name: |
Sodium metabisulfit
|
| Appearance: | White Free Flowing Fine Crystal or Powder |
| Specification: |
Industrial grade 1) Purity (calculated with Na2S2O5): 96% 2) Iron (Fe): 0.005% 3) SO2: 65% 4) PH value: 4.0-4.6 5)Water insoluble matter: 0.05%
|
|
Foodstuff grade 1) Purity (calculated with Na2S2O5): 98% 2) Iron (Fe): 0.0005% 3) Arsenic (As): 0.0002% 4) pH value: 4.0-4.6 5) Water insoluble matter: 0.05% 6) Heavy metal (Cal. in Pb): 0.002%
|
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| Package: | 25kg, 50kg pp woven bag with plastic lining, or 1000kg per package |
| Usage: |
1.Dye printing mordant. 2.Textile antichlor after being bleached.
3.Reducing agent and sulfonating agent for chemical and medical use. 4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent. |
Sodium Metabisulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.12
CAS NO.:7681-57-4
EC:231-673-0
UN: 2693
HS:28321000
Contact Person: Ms.xie
Tel: +8613975090964
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