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TamGrease BS1


TamGrease BS1 is a main bearing sealing grease (excluder grease) for tunnel boring machines. It effectively protects the main bearing by preventing the ingress of soil, water or dust through the main bearing sealing.

TamGrease BS1 resists high water and ground pressures, has excellent sealing capacities and has good lubrication and pumping properties. It is partly based on renewable raw materials.

Excellent cohesion and washout properties

Key specification

  • Main bearing sealing grease for TBMs

Key benefits

  • Excellent adhesion to metal surfaces
  • Excellent cohesion and washout properties
  • Good pumping and lubricating properties

Typical applications

  • EPB TBMs
  • Slurry TBMs
  • Hard Rock TBMs


TamGrease BS1

TamGrease BS1 Technical Data Sheet - Global Version

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