What does sodium silicate Powder mean? It is known as Na2O in molecular form. nSiO2*xH2O. The amount of sodium silicate molecules in a solution varies depending on the proportion of sodium oxide and silicon dioxide. Modulus refers to this ratio. The modulus greater than 3 is considered neutral water glass. It is known as basic sodium silicate if the modulus is lower than 3. Commodity sodium silicate is both a solid and liquid form. Colorless liquid sodium silicate can be found in a translucent liquid, colorless liquid, and slightly transparent. The sodium silicate aqueous solution exhibits high viscosity and a particularly high modulus. The silicate reacts with acid and breaks down into colloidal precipitate. Solid water glass, a form of yellowish-green or sky blue glassy substance, has a relative density that increases as the modulus decreases. If the modulus is decreased from 3.33-1, the relative density rises from 2.413-2.56. It has no set melting point. Useful for concrete acceleration and water repellent.
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