​MasterRoc SLF 47 - Soil-conditioning foam for tunnel boring machines

How does MasterRoc SLF 47 work?

MasterRoc SLF 47 is a highly eco-compatible polymer-reinforced foaming agent especially designed for soil conditioning in tunnel boring machines.

Recommended for use:

MasterRoc SLF 47 liquid foaming agent is recommended for soft ground tunneling with tunnel boring machines.

What are the unique features of MasterRoc SLF 47?

  • Based on renewable materials
  • Improves soil plasticity
  • Reduces permeability and increases sealing of the face
  • Creates plastic deformation properties in the soil, which provide an even and controlled support pressure and increased face stability
  • Lowers inner friction and abrasiveness of the soil at the cutterhead as well as at the screw conveyor

What are the benefits of MasterRoc SLF 47?

  • Reduces power consumption
  • Enables quick soil extraction
  • Reduces wear
  • Compatible with highest environmental standards
  • Promotes easier ‘mucking’


MasterRoc SLF 47 Technical Data Sheet

pdf (54.18 Kb)