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    ​​​MasterRheobuild 620 - Retarding Superplasticising admixture for concrete

    How does MasterRheobuild 620 work?

    MasterRheobuild 620 is composed of synthetic polymers specially designed to impart rheoplastic qualities to concrete.

    Recommended uses:

    • Ready mixed concrete
    • Long hauls
    • Pumped concrete
    • Concrete containing Granulated Slag/ Pozzolans
    • Mass concrete pours
    • Hot weather concreting

    What makes a unique solution?

    MasterRheobuild 620 is for < M-40 grade concrete with longer workability retention, mainly for Ready Mix concrete.

    What are the features and benefits of MasterRheobuild 620?

    • Reduced thermal peaks
    • High workability for longer periods
    • Lower pumping pressure
    • Resistance to segregation even at high workability
    • Extended setting with longer workability
    • Reduced water content for a given workability
    • Higher ultimate strengths
    • Reduced permeability
    • Improved durability
    • Reduced shrinkage and creep
    • Increased ease in finishing concrete
    • Provides lower in-place cost