Sodium metasilicate 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 : 0.95-1.05g/cc PH of 1.0% Solution : 12-13 Melting Point : 72.2 Particular Size : 16-30mesh
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