Sodium Hydrosulfite
- US $930.00
20 - 20 metric ton
group nameSodium hydrosulfite
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Min Order20 metric ton
modelSodium Hydrosulfite 85%,88%,90%
payment methodL/C, D/P, T/T
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update timeMon, 21 Mar 2022 10:03:33 GMT
Paramtents
Mol wt: 174.108
Place of Origin: Hunan, China (Mainland)
HS CODE: 28311010 UN1384
Brand name Rongda
Packging & Delivery
Weight1000.00kg / metric ton
Min Order20 metric ton
Briefing
1. Textile printing
2. Textile materials bleaching
3. Pulp and paper brightening
4. Pulp deinki
Detailed
Sodium Hydrosulfite
Molecular formula: Na2S2O4
Scent: No scent or slight scent of SO2
Quality standard:
Technical grade: HG/T 2074-1991 JIS K 1476-1995
Food grade: GB2682-199
Warranty period: 12 months after production date
Applications:
1. Vat dyeing, printing and stripping, reduction cleaning
2. Textile materials(silk, wool, nylon and other fibers)bleaching
3. Pulp and paper brightening
4. Pulp deinking
5. Kaolin clay bleaching
6. Foodstuffs ( sugar, honey, gelatin, etc)bleaching
7. chemical synthesizing
Extinguishing Method:
Isolate the combusted are, keep far away from flames, use sufficient drown the product completely (Other extinguishing media may not stop decomposition thoroughly). Make sure the rinsing water does not pollute water source farm. Inspect the balance of the packing drum and move those hot drums to a ventilated place to lower their temperature.
Extinguisher: Large amount of water
Technical specification:
Specification | 90% | 88% | 85% | Food grade |
Na2S2O4 | ≥90% | ≥88% | ≥85% | ≥85% |
Fe | ≤20ppm | ≤20ppm | ≤20ppm | ≤20ppm |
Zn | ≤1ppm | ≤1 ppm | ≤1ppm | ≤1ppm |
Solution Appearance | Clear | Clear | Clear | Clear |
Other heavy metal (as pb) | — | — | — | — |
HCHO | — | — | — | ≤0. 05% |
Water insoluble matter | ≤0.05% | ≤0.05% | ≤0.05% | — |
Reserve period (months) | 12 | 12 | 12 | 12 |
Picture:
- Nearest port for product export
- Shanghai Qingdao Lianyun Changsha Yueyang Yichang, Huangpu Wuhan Shenzhen Tianjin Ningbo
- Delivery clauses under the trade mode
- FOB, CFR, CIF, EXW
- Acceptable payment methods
- T/T, L/C, D/P D/A