Name                 Sodium metasilicate

molecular formula      Na2SiO3

molecular weight       122.06

CAS NO               6834-92-0

Specification

Na2SiO3 5H2O (granular) quality standards
Sodium oxide(Na2O)%: 29.10
Silica(SiO2)%: 28.87
Water insoluble%: 0.055
Iron(Fe)%: 0.005
Whiteness: 86
Particular Size(16_30mesh)%: 98
pH(1%SOLUTION): 12.6
Na2SiO3 5H2O (powder) quality standards(HG/T2568_94)
Sodium oxide(Na2O)%: 29.06
Silica(SiO2)%: 28.75
Water insoluble%: 0.08
Iron(Fe)%: 0.005
Whiteness: 89
pH(1%SOLUTION): 12.4

Use: In wash industry, textile industry, Paper & Printing Industry, ceramic industry, metallurgical industry, construction field ect