MasterRoc SLF 47 soil-conditioning foam for tunnel boring machines

Formerly: Meyco SLF 47

MasterRoc SLF 47 description:

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

Recommended uses:

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’

US / Canada Product Information

Data Sheet

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Admixture Systems


Safety Data Sheet (SDS)

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Related Literature

MasterRoc SLF 47 Data Sheet

pdf (65.30 Kb)

Project Spotlight: Ohio Canal Interceptor Tunnel

pdf (96.01 Kb)