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Urethane Adhesives

Your solution to repairing concrete and providing flexible bonds.


Strong bonds that bend but don’t break

  • Two-part urethane structural adhesives are different from one-part moisture-curing urethane sealants. Urethane structural adhesives are two-part formulations that react when mixed and do not require moisture to cure. They are relatively flexible when cured and therefore tend to have excellent impact and vibration resistance. Urethane structural adhesives bond well to most plastics, wood, concrete, rubber and carbon fibre, but they tend to have reduced resistance to solvents and high temperatures. The combination of flexibility and the ability to form strong bonds to a variety of substrates makes two-component urethane structural adhesives an excellent choice for joining dissimilar metals and materials.

Key Benefits of PUR Adhesives

  • Urethane adhesives are ideal for carbon fibre and composite bonding.
    Material Bonding

    Urethanes adhere to a wide variety of substrates, including wood, concrete, rubber and many plastics

  • Urethane adhesives can repair concrete surfaces and cracks without leaving visible bond lines.
    Improved Aesthetics

    Urethanes bond different substrates without the bond line being visible through the substrate

  • Mitigate noise, vibration, and harshness (NVH) with urethane adhesives.
    Noise, Vibration & Harshness

    Flexibility allows urethanes to absorb shocks and thermal expansion differences between dissimilar materials

See 3M™ Scotch-Weld™ Urethane Adhesives in Action

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