Product instruction:
Standard: HG/T 2826—1997
Molecular formula: Na2S2O5
CAS No: 7681-57-4
Appearance: white or slightly yellow crystal powder
Odor: strong sulfur dioxide odor
Package: PE liner plastic woven bags or compound woven bags outside, 25kg or 50kg net,
Application: bleaching agent for textile fibres, colors stripper and dechlorination, preparation of indigo vat dye, solubilizing and acidyfing agent for leather industries, bleaching agent for paper pulps, preservative and sterilisation agent for food industries
Shelf life: 6 months
Storage & handling: Store the product in a cool and dry place; prevent from direct sunlight , water and moisture, avoid contact with strong acid, oxidants or poisonous substances. Exposure to moisture will make it oxidze easily to sodium sulphate. Do not store it for long time.
Product specifications:
Standard: HG/T 2826—1997
Molecular formula: Na2S2O5
CAS No: 7681-57-4
Appearance: white or slightly yellow crystal powder
Odor: strong sulfur dioxide odor
Package: PE liner plastic woven bags or compound woven bags outside, 25kg or 50kg net,
Application: bleaching agent for textile fibres, colors stripper and dechlorination, preparation of indigo vat dye, solubilizing and acidyfing agent for leather industries, bleaching agent for paper pulps, preservative and sterilisation agent for food industries
Shelf life: 6 months
Storage & handling: Store the product in a cool and dry place; prevent from direct sunlight , water and moisture, avoid contact with strong acid, oxidants or poisonous substances. Exposure to moisture will make it oxidze easily to sodium sulphate. Do not store it for long time.
Product specifications:
|
Index
|
|
Excellent Class
|
First Class
|
Common Class
|
|
Na2S2O5%
|
≥
|
96.0
|
94.0
|
92.5
|
|
Fe%
|
≤
|
0.005
|
0.010
|
0.015
|
|
Water insoluble%
|
≤
|
0.05
|
0.05
|
0.10
|
|
As%
|
≤
|
0.0001
|
-----
|
-----
|