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Secrets Of Sodium Silicate
Nov 13, 2018

Sodium silicate, commonly known as saponin and water glass, is a chemical used mainly as an auxiliary raw material and additive. Water washing powder, soap, etc., which are often used in daily life, contain water glass.

Water glass is mainly divided into sodium water glass and potassium water glass. Sodium water glass is an aqueous solution of sodium silicate, and potassium water glass is an aqueous solution of potassium silicate. Sodium water glass is mainly used in civil engineering, and potassium water glass is used when engineering requirements are high.

The n in the formula of sodium water glass is called the modulus of water glass. The larger the value of n, the higher the water glass content, the higher the viscosity, but the solubility in water decreases. The smaller the value of n, the more the viscosity and strength of water glass. Low, the more soluble in water. Therefore, the common modulus in civil engineering is 2.6 ~ 2.8, which is soluble in water and has high strength.

The high-quality pure water glass is a colorless and transparent viscous liquid, which is easily soluble in water; and the poor quality water glass contains impurities, which are pale yellow or blue-gray.


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