Sodium metasilicate Pentahydrate Na2SiO3.5H2O
Chemical nature            
Chemical name：Sodium metasilicate Pentahydrate 
Molecular formula：Na2SiO3.5H2O
CAS No.6834-92-0
Properties          
Sodium oxide(Na2O)%：28.50—30.00
Silica(SiO2)%：27.30—29.20
Water insoluble%≤0.2
Iron(Fe)%≤0.03
Whiteness ≥75 
PH(1%SOLUTION) 12.5±1.0% 

the sodium metasilicate pentahydrate uses:
(1)in wash industry
(2)in the textile industry
(3)in the paper&printing industry
(4)in the ceramic industry
(5)in the metallurgical industry
(6)in construction field.
Packing 
25 Kg/bag, stored in cool and dry place.