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    ​​​MasterRoc BSG 11 – Main Bearing Sealing Grease (Extruder Grease) for Tunnel Boring Machines (TBM)

    How does MasterRoc BSG​ 11 work?

    MasterRoc BSG 11 is an extruder grease for tunnel boring machines (TBM). It effectively protects the main bearing and prevents soil, water or dust ingress into the main bearing sealing.

    What are the unique​ features of MasterRoc BSG 11?

    • Formulated to resist high water and ground pressures
    • Offers excellent lubrication and pumping properties especially at very low or very high temperatures

    How does MasterRoc BSG​​ 11 benefit TBM Contractors?

    • Excellent sealing and anti-washout properties
    • Excellent adhesion to any metal or concrete surface


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