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    ​​MasterRoc SA 160 - Alkali-free, liquid high-performance set accelerator for sprayed concrete

    How does ​​MasterRoc SA 160 work?

    MasterRoc SA 160 admixture is a high-performance alkali-free shotcrete accelerator for use in the wet-mix spraying process. It is a liquid additive whose dosage can be varied to the desired setting and hardening times.

    MasterRoc SA 160 admixture meets the requirements of ASTM C 1141/C 1141M, Types I /II, Grade 9, Class A.

    Recommended ​​​for use in:

    • Temporary and permanent rock support in tunnels
    • Rock support in mining
    • In poor ground conditions
    • Slope stabilization
    • Also suitable for acceleration of cementitious grouts, such as that used in TBM tunnel linings, cement grout injection and foam concrete backfill operations.
    • Rock support
    • Tunnels
    • Wet shotcrete mixtures

    Wha​t are the unique features of MasterRoc SA 160?

    • Ability to construct thick sprayed concrete linings via layered application during one construction sequence
    • Good early strength development and continual early-age strength development
    • Good long-term strength and durability

    What are the b​enefits of MasterRoc SA 160?

    • Easy handling, as well as easy and efficient addition to the sprayed concrete
    • Little dust and, therefore, a better working environment and improved worker safety
    • Reduces required handling precautions, improving economics


    MasterRoc SA 160: Technical Data Sheet

    pdf (169.97 Kb)

    Project Reference: Jurong Rock Cavern: MasterRoc SA 160

    pdf (214.60 Kb)


    Brochure - Introduction to Master Builders Solutions

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    Brochure: Injection - Solutions for Underground Construction

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    Brochures: TBM - Solutions for Underground Construction: MasterRoc SA 160

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