Sodium metasilicate

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Sodium metasilicate
Posting date : Jun 24, 2010
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38-
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1.Packing: 25kg in PPbag or packed according to requirements. 2.Specification: Na2SiO3 H2O quality standards(HG/T2568-94) iTEM NATIONAL QUALITY INDEX TESTING RESULT Sodium oxide(Na2O)% 50.50±1.00 51.44 Silica(SiO2)% 46.00±1.00 46.43 Iron(Fe)% ≤200ppm 77 Bulk density(g/cm3) 1.05-1.35 1.23 Particle Size(20-65mesh)% ≥93.0 99.66 Whiteness ≥85 Na2SiO3 9H2O quality standards(HG/T2568-94) ITEM NATIONAL QUALITY INDEX TESTING RESULT Sodium oxide(Na2O)% 28.5-30.0 28.9 Silica(SiO2)% 27.3-29.2 27.7 Iron(Fe)% ≤0.03 0.005 Water-insoluble substances% ≤0.2 0.05 Whiteness ≥75 85 Na2SiO3 5H2O quality standards(HG/T2568-94) ITEM NATIONAL QUALITY INDEX TESTING RESULT

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