Sell sodium metasilicate

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Sodium Metasilicate Anhydrous Na2SiO H2O quality standards(HG/T2568-94)

Item National Quality Index Testing Result
Sodium Oxide (Na2O) % 50.5011.00 51.44
Silica (SiO2) % 46.001.00 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
sodium metasilicate anhydrous is widely used for the manufacture of a variety of detergents, used as rust remover for metal, grinding aids for ceramics, deinking agent for paper, dyeing and printing auxiliary for removing oil in textile industry, and also used as the raw material for flameproofing agent, plastic maintenance agent, water retention agent, etc.
Sodium Metasilicate Anhydrous
(1) Na2SiO3 H2O
(2) soluble in water
(3) Confirmation Letter of REACH Pre-Registration
Sodium Metasilicate Anhydrous
Na2O% 50.5011.00 50.66
SiO2% 46.0011.00 46.75
Fe(ppm) <=200ppm 100
Bulk density(g/cm3 1.05-1.35 1.10
Whiteness% >=85 94
PH of 1.0% Solution 12-13 12.82
Appearance white, uniform, beaded white, uniform, beaded

Sodium metasilicate anhydrous is an inorganic white powder or crystalline granules, non-toxic, tasteless and environment-safe. It is easy soluble in water, insoluble in alcohol or in acid producing an alkaline solution, very hygroscopic when reacting with CO2 and water from the air. It has the capabilities of removing scale, emulsifying, dispersing, wetting, penetrating, and also has the capability of buffering PH value.