sodium silicate

English

Noun

sodium silicate (plural sodium silicates)

  1. Chemical compounds with the formula Na2xSiy,O2y+x or (Na2O)xยท(SiO2)y, such as sodium metasilicate Na2SiO3, sodium orthosilicate Na4SiO4, and sodium pyrosilicate Na6Si2O7.
  2. A mixture of such compounds, especially the metasilicate, used in the formulation of cements, coatings, passive fire protection, textile and lumber processing, manufacture of refractory ceramics, as adhesives, and in the production of silica gel.
    Synonyms: soluble glass, water glass
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