Qingdao Yuyin Chemical Co., Ltd.

Sodium Hydrosulfite, Sodium Formate, Phosphoric Acid manufacturer / supplier in China, offering Sodium Hydrosulfite 85% 88% 90% (Rongalite C), High Quality 99% Food Grade Potassium Chloride, Calcium Carbonate 98% Food Grade and so on.

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Sodium Hydrosulfite 85% 88% 90% (Rongalite C)

FOB Price:US $900 - 1,200 / Ton
Min. Order (Tons) FOB Price
20+ US $900-1,200 / Ton
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Min. Order: 20 Tons
Production Capacity: 50, 000/Year
Transport Package: 15kg, 25kg, 50kg Drums
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

Basic Info.

Model NO.:85% 88% 90%
Appearance:Powder
Classification:S
Certification:CCIC, CIQ, SGS, RoHS, ISO
Purity:80%~90%
Type:Sodium Hydrosulfide
Grade Standard:Industrial Grade
Certificate:SGS; CIQ; Intertek
Trademark:YUYIN
Specification:HIGH CLASS
Origin:China
HS Code:28311000

Product Description

Molecular formula: Na2S2O4
Scent: No scent or slight scent of SO2
HS code: 28311000
 
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:
 
Specification90%88%85%Food grade
Na2S2O4≥90%≥88%≥85%≥85%
Fe≤20ppm≤20ppm≤20ppm≤20ppm
Zn≤1ppm≤1 ppm≤1ppm≤1ppm
Solution AppearanceClearClearClearClear
Other heavy metal (as pb)----
HCHO---≤0. 05%
Water insoluble matter≤0.05%≤0.05%≤0.05%-

Sodium Hydrosulfite 85% 88% 90% (Rongalite C)
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Qingdao Yuyin Chemical Co., Ltd.

- Shandong, China
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