- Other Inorganic Salts[6]
- Other Inorganic Chemicals[6]
- Alkali[3]
- Chloride[3]
- Sulphate[6]
- Food Additives[5]
- Organic Acid[5]
- Chemical Auxiliary Agent[6]
- Carbonate[4]
- Halide ( Except Chloride )[5]
- Oxide[1]
- Other Chemicals[1]
- Chemical Reagents[1]
- Daily Chemicals[2]
- Chlorate[2]
- Other Food Processing Machinery[3]
- Starch[2]
- Fryer[1]
- Inorganic Acids[2]
- Other Organic Chemical[1]
- Water Treatment[1]
- Amine[1]
- Other Rubber Products[1]
- Contact Person : Mr. Rui Mike
- Company Name : NGO Chemical (Tianjin) Trade Co., Ltd.
- Tel : 86-22-28261301
- Fax : 86-22-28261300
- Address : Tianjin,Tianjin,4-4-1501 Jindayuan,Jiulong Road
- Country/Region : China
- Zip : 300204
Sodium hydrosulphite
Related Product Searches:Sodium hydrosulphite,High Quality,Sodium hydrosulphite,hydrosulfite sodium
Appearancewhite free-flow crystal powdersPacking15kg, 25kg ,50kg or 100kg net in iron drums with double inner polybags. Application1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .2. It is also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps. 3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. It is used in mineral, the compound of thiourea and other sulphides. 5. It is used as reducing agent in chemical industry.6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.
Product specifications
| INDEX | 90% | 88% | 85% | FOOD ADDITIVE |
| Na2S2O4 | ≥90% | ≥88% | ≥85% | ≥85% |
| Fe | ≤20ppm | ≤20ppm | ≤20ppm | ≤20ppm |
| Zinc（Zn） | ≤1ppm | ≤1ppm | ≤1ppm | ≤1ppm |
| Other heavy metal（calculated as Pb） | ≤1ppm | ≤1ppm | ≤1ppm | ≤1ppm |
| Water Insolubles | ≤0.05% | ≤0.05% | ≤0.05% | ≤0.05% |
| Shelf Life(month) | 12 | 12 | 12 | 12 |
| ITEM | 90% | 88% | 85% | FOOD ADDITIVE |
| Na2S2O4 | 91.00% | 89.50% | 86.60% | 86.96% |
| Na2S2O5 | 6.39% | 6.64% | 6.82% | 6.54% |
| Na2CO3 | 1.10% | 2.50% | 5.70% | 5.58% |
| Na2S2O3 | 0.18% | 0.20% | 0.41% | 0.38% |
| Na2SO3 | 0.22% | 0.21% | 0.32% | 0.36% |
| Fe | 14ppm | 15ppm | 16ppm | 11ppm |
| Water Insolubles | 0.05% | 0.04% | 0.04% | 0.01% |
Sodium hydrosulphite
