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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 features 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 benefit TBM Contractors?

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