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[Chemical Knowledge]：Properties and Uses of Sodium Silicate

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Sodium silicate is an inorganic compound, also known as water glass or blisters. In the field of raw materials for chemical production, sodium silicate has many important properties and uses. This article will discuss the nature and use of sodium silicate in detail.

1. the nature of sodium silicate

1. physical properties of
sodium silicate is colorless, transparent viscous liquid, with strong alkaline. Its viscosity increases with the increase of concentration, and has good suspension, adhesion and film-forming properties.

2. chemical properties of
sodium silicate in water easy hydrolysis, generating silicic acid and sodium hydroxide. Silicic acid is a weak acid that ionizes hydrogen and silicate ions in water. Therefore, sodium silicate solution is alkaline and can react with acid to form the corresponding salt. In addition, sodium silicate also has good heat resistance and corrosion resistance.

2. the use of sodium silicate

1. Chemical raw material
sodium silicate can be used as a raw material for many chemical products, such as silica gel, silicone rubber, silicone resin, etc. These materials have excellent heat resistance, cold resistance, electrical insulation and corrosion resistance, and are widely used in seals, electrical insulation, corrosion-resistant containers and other fields.

2.
of building materials Sodium silicate can be used as an additive in building materials to improve the strength and durability of concrete. In addition, sodium silicate can also be used to prepare building materials such as waterproofing agents and fireproofing agents.

3. Detergent
Sodium silicate has good decontamination ability and can be used as one of the components of detergent. It can chemically react with grease, dirt, etc. to separate it from the fabric or tableware surface to achieve a clean effect.

4.
of paper industry Sodium silicate can be used as an additive in paper industry, which can improve the strength and gloss of paper and improve the printing performance of paper.

5. food industry
sodium silicate can be used as an additive in the food industry, used to make jelly, soft candy and other food, play the role of solidification and thickening. Summary of

3.

Sodium silicate as an important inorganic compound has a wide range of applications in the field of chemical production raw materials. Its physical and chemical properties make sodium silicate play an important role in building materials, chemical raw materials, detergents, paper industry and food industry. Understanding and mastering the properties and uses of sodium silicate is of great significance for rational utilization of resources, improvement of product quality and reduction of production costs. In practical applications, the appropriate type and concentration of sodium silicate should be selected according to specific needs and scenarios to ensure its best effect.

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