Geothermal heating

Related industry uses: Ground source heating, Geothermal grout

When geothermal heating systems are installed the well created requires high efficiency bentonite based grouting materials which LKAB Minerals manufacture.

Products manufactured are either the base grouting bentonite component for grouts prepared and blended by the contractor or a ready to use premixed sand-bentonite for simple mixing with water on site.

LKAB Minerals’ grout products can be formulated to produce either a stable gel or hard setting final grouts according the  customer / user’s requirements or preference for their geothermal heat extraction setup.

LKAB Minerals’ bentonite based grouts are formulated for combined ease of use and high end performance characterised by their:

  • Easy mixing, pumping and placement characteristics
  • Even consistency and good stable suspension properties
  • Long working life
  • Minimal shrinkage
  • High thermal conductivity
  • Low permeability

Application expert

Glyn Thomas
Sales Manager, Bentonite

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