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    ​​​MasterLife CRA 007

    Crack-reducing concrete admixture

    How does MasterLife CRA 007 work?

    MasterLife CRA 007 admixture is an innovative crack-reducing admixture that is specifically formulated to reduce the magnitude of drying shrinkage and minimize the potential for cracking. Compared to a shrinkage reducing admixture, MasterLife CRA 007 crack-reducing admixture provides enhanced performance through (i) significant reduction in the potential for shrinkage cracking, and (ii) reduced initial crack widths if cracking does occur.

    Recommended uses:

    • Slabs, parking structures, bridge decks, pavements, water-retaining structures
    • Wet-mix shotcrete
    • Mortars and grouts 

    What are the unique features of MasterLife CRA 007?

    • Suitable for use in air-entrained concrete
    • Reduces drying shrinkage
    • Delays time-to-cracking as measured in ASTM C 1581/C 1581M ring test
    • Reduces crack widths

    What are the benefits of MasterLife CRA 007?

    • Enhances watertightness in water-retaining structures
    • Increases concrete durability and service life
    • Reduces joint maintenance costs in concrete slabs
    • Permits increase in joint spacing
    • Reduces the environmental footprint of concrete​

    Product Certifications

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

    Related Literature

    MasterLife CRA 007 Contractor Info Series Technical Bulletin

    pdf (450.84 Kb)

    MasterLife CRA 007 Data Sheet

    pdf (469.18 Kb)

    MasterLife CRA 007 Data Sheet (French)

    pdf (303.24 Kb)