Product Main

Specifications

 
CAS NO. 10213-79-3

Formula: SiO3Na2•5H2O

Appearance: white granules
 
Applications:Detergents and soap, textile processing , pulp and paper, rust remover for metal, deinking,  ceramic industry.
 
Sodium Metasilicate Pentahydrate
 
Na2SiO3 5H2O (granular) quality standards(HG/T2568-94)
 
ITEM
QUALITY INDEX
TESTING RESULT
Sodium oxide(Na2O)%
28.00-30.00
29.10
Silica(SiO2)%
27.00-29.00
28.87
Water insoluble%
≤0.2
0.055
Iron(Fe)%
≤0.03
0.005
Whiteness
≥75
88
Particular Size(16-30mesh)%
≥90
98
PH (1%SOLUTION)
12.5±1.0%
12.6