Sodium Hydrosulfite manufacturer(Rongalite C)

Specifications

Sodium Hydrosulfite 88%:
1. Textile printing
2. Textile materials bleaching
3. Pulp and paper brightening
4. Pulp deinki

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

 

HS code: 28311000

 

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

 

Company Profile:   Rongda Chemical Co.,Ltd is an export-oriented enterprise specialized in producing and marketing zinc-based chemical material. Our head company is Zhuzhou Mingqi Chemical Co.,Ltd .which was established in 2007,famous by the great performance and reputation in domestic chemical market.Actually we are biggest distributor for sodium sulfite in China. Rongda was built mainly for our export sales.