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    ​​MasterEmaco T 545 and T 545HT

    Very rapid-setting chemical action mortar

    How does MasterEmaco T 545 and T 545HT work?

    MasterEmaco T 545 is a one-component magnesium phosphate-based mortar. Offered in two formulations: T 545 for ambient and substrate temperatures below 85° F (29° C) and T 545HT for ambient and substrate temperatures ranging from 85 to 100° F (29 to 38° C).

    Recommended uses:

    • Interior and exterior
    • Horizontal and formed vertical overhead repairs
    • Applications requiring high early-strength gain
    • Structural concrete repairs
    • Partial and full-depth repairs
    • Cold temperature repairs
    • Grouting applications such as anchor bolts, rebar, dowel rods and precast applications

    What are the unique features of MasterEmaco T 545 and T 545HT?

    • Single component to just add water and mix
    • Takes rubber tire traffic in 45 minutes
    • Wide temperature use range from below freezing to hot weather exposures
    • Air cure only, no wet curing compounds required
    • Coefficient of thermal expansion similar to Portland cement concrete for more permanent repairs
    • Higher sulfate resistance than conventional mortars

    What are the benefits of MasterEmaco T 545 and T 545HT?

    • Reaches 2,000 psi compressive strength in 1 hour to rapidly return repairs to service
    • Very low drying shrinkage for improved bond to concrete for repair and anchoring applications
    • Resistant to freeze/thaw cycles and deicing chemicals so it is usable in most environments

    On the Job Videos

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    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems

    1-800-243-6739

    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

    Product Certifications

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

    Related Literature

    Certification Letter

    pdf (89.79 Kb)

    Data Guide

    pdf (180.85 Kb)

    Data Guide (French)

    pdf (378.68 Kb)