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    ​​​MasterRoc BA 110

    High-Performance Bentonite for Annular Grout Mixes for Tunnel Boring Machines (TBM)​

    How does MasterRoc BA 110 work?

    MasterRoc BA 110 is a high yield, untreated and organic-free bentonite designed for use in the annular grouts that are injected behind the tunnel segments in TBM projects. Its special characteristics in enhancing viscosity, gel strength, thixotropy, and water retention make the product ideal for controlling the segregation, bleeding, and permeability of the annular grouts.

    Recommended applications of MasterRoc BA 110:

    MasterRoc BA 110 product is recommended for TBM projects where high stability of the annular grouts is required. MasterRoc BA 110 product can be used both in fresh water and saltwater grounds.

    What are the unique features of​ MasterRoc BA 110?

    • Chemically stable
    • Contaminant free
    • Mixes quickly to achieve the required viscosity
    • Excellent water retention

    What are the benefits of MasterRoc BA 110?

    • Reduces bleeding and segregation
    • Ensures high level of lubrication and reduced permeability of the annular grouts
    • Has the ability to cool metal parts of the operating machines


    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems

    1-800-628-9990

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    Related Literature

    MasterRoc BA 110 Data Sheet

    pdf (222.83 Kb)