Product Description
1.Name: sodium metabisulfite; sodium metabisulphite; sodium pyrosulfite.
2.Molecular Formula: Na2S2O5
3.CAS No.: 7681-57-4
4. Physical appearance: white or slightly yellowish crystalline powder
5. Specification:Main Content: 96.5%min, Water Insoluble: 0.05%max, Iron: 50ppm max, Pb: 10ppm max,
As: 2ppm max ,pH: 4.0-4.6
6. Main use: For tech use
a):Bleaching agent for textile fibres, paper pulps
b):Colors stripper and dechlorination
c):Preparation of Indigo Vat Dye
d):solubilizing and acidyfing agent for leather industries
e):wastewater treatment
7. Our advantage: we are one of the leader manufacturers,annual output is about 30,000MT. we are working in this field
for more than ten years. We have good experience in control cost and make our product quality better
and better. We also have a very good experience in crisis management.
Packaging & Shipping
1. Bag marks: Sodium metabisulphite, N.W.: 25kgs, G.W. 25.1kgs, Made in China./we also accept clients marks.
2. Packing: 25kgs net PP woven bag with PE liner (if need, we could arrange the pallet.) or other extra packings.