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    MasterRoc MF 501: High-performance plasticizing and water-reducing admixture for mine backfill mixes

    Formerly: MEYCO Minefill 501

    How does MasterRoc MF 501 work?

    MasterRoc MF 501 admixture is a liquid, water reducing admixture used to enhance the properties of mine backfill.

    Recommended uses:

    • Paste fill
    • High-density fill
    • Cemented rock fill
    • Hydraulic fill

    What are the unique features of MasterRoc MF 501?

    • Reduced water content
    • Improved slump and flow characteristics
    • Normal setting time and rate of hardening
    • Reduces pumping and distribution pressures

    What are the benefits of MasterRoc MF 501?

    • Backfill optimization and/or cost savings by binder reduction (cement/slag cement/fly ash)
    • Enhances workability (rheological properties) in all types of backfills, requiring less water
    • Higher in-situ strengths at all ages
    • Reduces segregation of high-density slurries
    • Reduces permeability and shrinkage in hardened fill
    • Potentially reduces cycle time and increases production

    US / Canada Product Information

    Data Sheet

    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems


    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

    Product Certifications

    Generate a free certificate of conformance for a specific BASF construction product.

    Related Literature

    MasterRoc MF 501 data sheet

    pdf (61.39 Kb)