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Liquid Sodium Silicate, also known as water glass, is a versatile chemical compound with the formula Na2SiO3.
LIQUID SODIUM SILICATE
SiO2/Na2O | Appearance(25℃) | Baume degree | iron content(%) | Water insoluble matter，% | SiO2+Na2O(%) | Package |
1.80-2.00 | Colorless or slightly colored,transparent or translucent viscous liquid | 34.0-36.0 | ≤0.05 | ≤0.1 | ≥31.0 | Flexibag |
2.20-2.39 | 38.0-40.0 | ≤0.05 | ≤0.1 | ≥33.0 | ||
2.40-2.60 | 38.0-40.0 | ≤0.05 | ≤0.1 | ≥33.0 |
Liquid Sodium Silicate, also known as water glass, is a versatile chemical compound with the formula Na2SiO3. It is an aqueous solution of sodium oxide (Na2O) and silica (SiO2), forming a viscous, colorless to slightly greenish liquid. Its unique properties, such as high alkalinity, adhesive strength, and thermal stability, make it valuable across numerous industrial applications.
Key Properties:
Appearance: Clear to slightly hazy, viscous liquid.
Chemical Composition: Primarily composed of sodium oxide (Na2O) and silica (SiO2) in varying ratios.
Alkalinity: Highly alkaline with a pH typically ranging from 11 to 13.
Solubility: Completely soluble in water, forming a strongly alkaline solution.
Adhesive and Binding: Acts as a strong adhesive and binding agent due to its ability to form a hard, glassy layer upon drying.
Heat Resistance: Offers good thermal stability, making it suitable for high-temperature applications.
Detergents and Cleaning Agents:
Used in laundry detergents, dishwashing liquids, and industrial cleaners for its ability to soften water, disperse soil, and stabilize other components.
Construction:
Acts as a bonding agent in cements, mortars, and concrete to improve durability and water resistance.
Used for soil stabilization and as a sealant to reduce dust in roads and construction sites.
Pulp and Paper Industry:
Employed in the paper manufacturing process as a buffering agent, defoamer, and adhesive.
Helps to improve the strength and durability of paper products.
Textile Processing:
Utilized as a buffering agent and to enhance the effectiveness of dyes and bleaches in textile treatments.
Foundry and Casting:
Serves as a binder in sand casting molds and cores, offering good binding strength and thermal resistance.
Adhesives and Coatings:
Used in the formulation of adhesives, sealants, and coatings due to its excellent adhesive properties and resistance to heat and chemicals.
Water Treatment:
Helps in water treatment processes as a flocculant and to control the pH and corrosion in water systems.
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