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    MasterRoc MP 355 1K DW​

    One component polyurethane injection foam to stop small to medium water ingress

    How does MasterRoc MP 355 1K DW work?

    MasterRoc MP 355 1K DW product is a solvent free, single component polyurethane resin which turns into foam when it comes in contact with humidity or moisture.

    Recommended uses:

    • To stop small to medium water ingress in underground structures
    • Suitable for filling of voids containing water

    What are the unique features of MasterRoc MP 355 1K DW?

    • Gets activated in moist environment
    • Good bonding it wet surfaces
    • Forms a flexible foam
    • Modification of the foaming action can be achieved using an  accelerator

    What are the benefits of MasterRoc MP 355 1K DW?

    • Rapid reaction and excellent bonding feature make it more effective to stop water ingress
    • Adjustable reaction time with the associated accelerator provides application flexability

    US Product Information

    Data Sheet

    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems


    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

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    Related Literature

    MasterRoc MP 355 1K DW Data Sheet

    pdf (73.00 Kb)