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TamSoil 260CF


TamSoil 260CF is a polymerised soil conditioning foam specifically developed to be used on a tunnel boring machine (TBM). It acts as a soil conditioner for various types of soil conditions, especially below ground water table. TamSoil 260CF gives the excavated soil the necessary plastic properties and reduces wear at the cutterhead. TamSoil 260CF also creates a homogeneous and compressible spoil in order to reduce the cutterhead torque and secure a constant earth pressure in the working chamber during the excavating process.

Reduces wear at the cutterhead

Key specification

  • Polymer modified soil conditioning foam for TBMs

Key benefits

  • Efficient mixing with the excavated soil, reducing cutter head torque
  • Works with both acidic and alkaline type soil conditions
  • Reduces permeability at the tunnel face
  • Specially designed for the use below groundwater
  • Environmentally safe and non-toxic

Typical applications

  • EPB tunnel boring machines
  • Change of rheological behaviour
  • Soil conditioning


TamSoil 260CF

TamSoil 260CF Technical Data Sheet - Global Version

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