Sodium Metasilicate Pentahydrate 6834-92-0

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Sodium Metasilicate Pentahydrate

Molecular Formular: Na2O3Si. 5H2O
Molecular Weight: 212.14
CAS No.: 10213-79-3

Na2O: 28.0-30.0%
SiO2: 27.0-29.0%
Water insoluble: 0.2% max
Fe: 200 ppm max
Particle size (16-30mesh): 90.0 min
Whiteness: 80 min
pH of 1.0% solution: 12-13


-Appearance:
White; Uniform beads

Application:
- Raw materials for industrial products: (silica sols, silica gels, precipitated silicas, zeolites, aluminosilicates, magnesium silicates, synthetic clays, ceramics, and catalysts)
- Detergents: (fabric washing powders, dishwasher detergents, industrial cleansing agents)
- Adhesives and binders: (paperboard and cardboard, coal dust briquettes, roofing tiles, bricks and ceramics, refractory cements, plasters and mortars, foundry molds and cores, and welding rods)
- Surface Coatings: (TiO2 production, concrete, paints for masonry and glass surfaces, fire-proof glass, spray-coating in tunnel construction and mining)
- Pulp and paper manufacture: (deinking and bleaching)
- Water Treatment (corrosion protection)
- Civil Engineering (soil sealing and stabilisation in drilling, tunnelling, and mining, sealing of landfills, building pits, and coastline stabilisation) Enhanced Oil Recovery (oil flow improvers) Textile processing (bleach and dye stabilizer) Ceramic products (liquefying agent in porcelain slips)