Product Name:Sodium Metabisulfite
CAS No.:7681-57-4
Grade Standard :Industrial Grade and Food Grade
Appearance :White Crystal or Crystal Powder.
Specification (Industrial Grade):
|
Item |
Index |
|
Sodium Metabisulphit (as SO2) |
≥ 64% |
|
Iron Content |
≤ 0.005% |
|
Water insoluble |
≤ 0.05% |
|
PH value |
4.0-4.6 |
|
Heavy Metal (as Pb) |
≤ 0.001% |
|
AS |
≤ 0.0002% |
Package:25kg/bag
Usage:Dyeing mordant,dechlorinating agent for washed fabric,medical deoxidizer and sulfonating agent,bone black for bamboo,wood and paper fiber,non-ferrous mineral.
