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    ​​​​​​​MasterRoc MP 355

    Highly-reactive, two-component polyurethane injection resin

    Formerly: MEYCO MP 355

    How does MasterRoc MP 355 work?

    MasterRoc MP 355 is a two-component, solvent-free polyurethane injection resin specifically designed for stopping rapid water flow and ground stabilization.

    Recommended uses:

    • Control of high volume water ingress
    • Stabilization of fractured rock, sands and gravels, and land-fill materials
    • Void filling
    • Repair of concrete structures

    What are the unique features of MasterRoc MP 355?

    • When in contact with water, the product forms a rigid foam. In the absence of water, the product reacts and forms a stiff, rubber-like material
    • Fast-reacting material where structural strength or rigidity is required

    What are the benefits of MasterRoc MP 355?

    • Reacts either with or without water. This is a significant safety advantage as the material will always be cured
    • Modification of the reaction can be achieved using an accelerator and a thixotropic agent, which are supplied separately to Component A

    US / Canada Product Information

    Data Sheet

    Safety Data Sheets (SDS):

    MasterRoc MP 355 - Part A

    MasterRoc MP 355 - Part B

    MasterRoc MP 355 - Accelerator 10

    MasterRoc MP 355 - Accelerator 15

    MasterRoc MP 355 - Accelerator 25



    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems

    1-800-628-9990

    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

    Product Certifications

    Generate a free certificate of conformance for a specific BASF construction product.

    Related Literature

    MasterRoc MP 355 Data Sheet

    pdf (395.42 Kb)

    Underground Water Management Brochure

    pdf (2.85 Mb)