Sodium Metasilicate Pentahydrate

 

Properties: White crystal particle or powder, easily soluble in water, soluble is alkalic.

Application: Mainly used as aids of washes and metal cleaner, also used in permutite, paper bleaching and cotton cooking.

Formula:  Na2SiO3·5H2O

Exercised Standard:  HG/T2568—94Ⅰ

 

Items

Specification

Total Alkalinity (as Na2O) %

28.5-30.0

Silicon Dioxide content (SiO2) %

27.3-29.2

Iron content (as Fe) %

£0.03

Water-insoluble matter %

       £0.20

Whiteness

    ³75

 

BACK