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    MasterFiber M 35 | Synthetic Monofilament Microfiber

    How does MasterFiber M 35 synthetic fibers work?

    MasterFiber M 35 is a monofilament polypropylene fiber manufactured from 100% virgin homopolymer polypropylene resins. This synthetic fiber for concrete is specifically engineered to reduce plastic shrinkage cracking.

    MasterFiber M 35 product disperses well in the concrete matrix, and visible evidence of a superior finishability makes it a good candidate for all residential applications.

    Recommended concrete applications:

    • Residential slabs-on-ground
    • Commercial slabs-on-ground
    • Sidewalks
    • Precast products
    • Pool and pool decks
    • Water retention tanks
    • Shotcrete

    What are the unique features of of this synthetic monofilament fiber?

    MasterFiber M 35 is an ideal synthetic fiber for concrete when you want to ensure a high-quality finish with minimal cracking. Its monofilament fibers deliver superior performance in key areas:
    • Meets the requirements of ASTM C 1116/C 1116M, Section 4.1.3, Type III, and Note 2.
    • Excellent distribution throughout concrete
    • Excellent concrete finishability
    • Excellent reduction in plastic shrinkage cracking

    What are the benefits of MasterFiber M 35 concrete fiber additive?

    • Reduces plastic settlement
    • Extends service life of concrete with reduced maintenance​

    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems

    1-800-628-9990

    Safety Data Sheet (SDS)

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    LEED v4 & v4.1 Teaser Image

    LEED v4 & v4.1

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    Related Literature

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