Sodium Metabisulphite Industrial Grade-Chinas Leading Manufacture of Chemical Additives

Sodium Metabisulphite Industrial Grade

Applications:

1. Printing and dyeing mordant; Dechlorination agent after fabric bleaching;

2. Bamboo, wood, paper fiber bleach;

3. Non-ferrous metal mineralizer;

4. Waste water treatment agent;

5. Rubber coagulant and so on.

Parameters:

CAS NO.: 7681-57-4

EINECE: 231-673-0

HS CODE: 2832.1000.00

Molecular Formula: Na₂S₂O₅

Molecular Weight: 190.10

Structural Formula:

Packaging: External polypropylene woven bags; paper-plastic composite bags, craft paper bags; lined with polyethylene plastic bags.

Net Weight:25kg/bag,50kg/bag,1000kg/bag or customized according to customer requirements.

Technical Parameters：

Testing Programme	National standard HG/T2826-2008		Value Report
	Top Grade	First Grade
Main content (calculated as Na2S2 O5 ), %	≥96.5	≥95.0	97
Water insoluble matter, %	≤0.05	≤0.05	0.01
Iron (Fe),%	≤0.005	≤0.010	0.0015
Arsenic (As),%	≤0.0001	.--	0.0001