Specification
– Sodium Metasilicate Pentahydrate
Sodium oxide(Na2O)% 28.00—30.00
Silica(SiO2)% 27.00—29.00
Water insoluble% ≤0.2
Iron(Fe)% ≤0.03
Whiteness ≥75
Particular size (16-30mesh)% ≥90
PH(1%SOLUTION) 12.5±1.0%
– Sodium Metasilicate Anhydrous
Na2O% 50.50±1.00
SiO2% 46.00±1.50
Fe(ppm) ≤200ppm
Water Insoluble% ≤0.2
Bulk density(g/cm3) 1.05-1.35
Particle Size(≥80 mesh)% ≥90.0
Whiteness% ≥80
PH of 1.0% Solution 12-13
Packing & Storage 25kg/bag or according clients’ requested.