Please login with your username and password.


Can’t remember your accounts password?

Can't access your account?

Select your language.

This page is available in the following languages:

    Please select your location

    MasterRoc MP 358SC

    Highly-reactive, two-component hydrophobic polyurethane injection resin for strata consolidation

    How does MasterRoc MP 358SC work?

    MasterRoc MP 358SC is a two-component, solvent-free polyurethane injection resin specifically designed for rapid stabilization of strata.

    Recommended uses:

    • Consolidation of broken coal in development of roadways and long walls
    • Consolidation of fractured rock in roadways, shafts and long walls
    • Sealing against gas and quasi-static water
    • Repair of cracks in concrete

    What are the unique features of MasterRoc MP 358SC?

    • Fast reacting material where structural strength and flexibility are required
    • Reacted product expands its volume up to three times without being in contact with water
    • When in contact with water, the expansion factor may increase to about 8

    What are the benefits of MasterRoc MP 358SC?

    • Penetrates cracks wider than 0.005 in. (0.14 mm)
    • Less sensitive to water than normal polyurethanes
    • Contact with water shows almost no increase in reaction temperature​

    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 Master Builders Solutions construction product.

    LEED v4 & v4.1 Teaser Image

    LEED v4 & v4.1

    Search by product or CSI code and download up to date LEED information.

    Related Literature

    MasterRoc MP 358SC Data Sheet

    pdf (389.55 Kb)