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    ​​​​MasterRoc ACP 143 – Anti-clay polymer for earth pressure balance tunnel boring machines


    How does ​​​MasterRoc ACP 143 work?

    MasterRoc ACP 143 is specially designed to reduce the clogging and adhesion effects of clayey soils . It can be injected at the cutterhead, working chamber and screw conveyer and creates a stable foam that can be used with standard foam generators installed on earth pressure balance (EPB) machines.

    What are the unique fea​​tures of MasterRoc ACP 143?

    • Reduces clogging and adhesion effects on the cutterhead
    • Creates a plastic soil material which can be excavated and transported

    How does MasterRoc ACP 143 be​​nefit TBM Contractors?

    • Helps to avoid re-agglomeration of clay chips to blocks
    • Reduces cutterhead torque
    • Increases TBM speed


    Brochure - Introduction to Master Builders Solutions

    pdf (2.60 Mb)

    Brochure: Injection - Solutions for Underground Construction

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    Brochures: TBM - Solutions for Underground Construction: MasterRoc ACP 143

    pdf (7.75 Mb)

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