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    ​​​​MasterFiber 525

    Type II Steel Fiber

    How does the MasterFiber 525 work?​

    MasterFiber 525 product is a low carbon, continuously deformed steel fiber manufactured in compliance with ASTM A82​0/A820M “Standard Specification for Steel Fibers for Fiber-Reinforced Concrete”. MasterFiber 525 product can be used in producing Type II Steel Fiber-Reinforced Concrete meeting the requirements of ASTM C1116/C1116M “Standard Specification for Fiber-Reinforced Concrete”.

    Recommended for use in:

    • Industrial flooring
    • Commercial flooring
    • Residential foundations
    • Basement walls 
    • Pavements
    • Pavements
    • Mass concrete
    • Overlays
    • Footings/Foundations
    • Precast elements​

    What are the unique features of MasterFiber 525?

    • Uniform distribution throughout the concrete matrix
    • Loose fibers specially designed to avoid balling problems
    • Good shrinkage and shrinkage reinforcement
    • Excellent placement and finishability characteristics

    What are the benefits of MasterFiber 525?​

    • Eliminates the need for welded-wire reinforcement (WWR) and small diameter bars used as secondary reinforcement, depending on the application
    • Effective tight crack control
    • Provides excellent control of settlement cracking
    • Reduces construction time and overall labor and material costs
    • Increases flexural toughness, impact and shatter resistance
    • Provides higher energy absorption and increases concrete ductility
    • Facilitates sustainable construction​

    Product Certifications

    Generate a free certificate of conformance for a specific Master Builders Solutions construction product.



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