Sodium Metasilicate

Sodium metasilicate is a non-toxic, tasteless, pollution-free white crystalline granular, easy soluble in water, insoluble in alcohol or in acid. As a kind of important inorganic chemical product, it has a variety of uses in many fields and more and more uses will be developed in the future. Sodium metasilicate mainly used in wash industry,the textile industry,the Paper & Printing Industry and the ceramic industry. Checking item Test standard(HG/T2568-94) Sodium oxide(Na2O)% 28.00-30.00 Silica(SiO2)% 27.00-29.00 Water insoluble% ≤0.2 Iron(Fe)% ≤200p.p.m Whiteness ≥80 Bulk Density 0.80-0.97g/cc PH of 1.0% Solution 12-13 Melting Point 72.2 Particular Size 16-30mesh ≥90%