Knowra Sodium silicate Sodium silicate Sodium silicates are compounds of sodium, silicon, and oxygen, often represented by the formula Na₂SiO₃. Their soluble forms are known as water glass and are used in adhesives, detergents, and other industrial products.
Silicate : A mineral or compound built from silicon–oxygen units, often linked into larger structures. Sodium silicates belong to this broad family of silicon–oxygen compounds.
Water glass : An aqueous solution of soluble alkali-metal silicates, especially sodium silicate. It is the common soluble form in which sodium silicate is supplied and used.
Silicate paint : A mineral paint that binds to masonry through a reaction between soluble silicate and the substrate. Sodium silicate can serve as the soluble binder in mineral coatings.
Potassium silicate : A family of potassium, silicon, and oxygen compounds, including soluble forms used in water glass. It offers a potassium-based alternative to sodium silicate in soluble silicate applications.
Sodium oxide : An ionic compound of sodium and oxygen with formula Na₂O. Its ratio to silica helps describe the composition of many sodium silicate glasses.
Silica gel : A porous, amorphous form of silicon dioxide used as an adsorbent and desiccant. Acidifying sodium silicate solution can produce a silica-rich gel.
Foundry sand : Sand used to form molds and cores for casting metal. Sodium silicate binds foundry sand, which can then be hardened with carbon dioxide.
Lithium silicate : A family of lithium, silicon, and oxygen compounds, including soluble silicates used in surface treatments. Lithium silicate is a related alkali silicate used in concrete treatments.
Silicon dioxide : A compound of silicon and oxygen, found as quartz and in glass. It combines with sodium oxide to form sodium silicate compositions.
Sodium silicate solution : Water containing dissolved sodium silicate species, usually strongly alkaline. Its dissolved silicate structures shift with concentration, alkalinity, and composition.
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