Potassium Silicate

Potassium Silicate, K2SiO3, is a family of compounds with varying amounts of water, all highly alkaline.

CAS number

  • 1312-76-1

Typical Uses

  • Binding agent, dust-binding agent, flame retardant, flotation agent, stabiliser, viscosity control agent, in horticulture used to make the growing agent more alkaline, low-cost way of rendering wood work.


  • Solutions covering a range of SiO2 concentrations and Potassium:Silicate ratios are available.

Other names

Silicic acid; Potassium salt


  • Clear to opaque solutions, with viscosity determined by the ratios of Potassium and Silica

Packaging Types

  • Poly, Drum, IBC, Bulk

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