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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 fiber, 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.
Urethanes adhere to a wide variety of substrates, including wood, concrete, rubber and many plastics
Flexibility allows urethanes to absorb shocks and thermal expansion differences between dissimilar materials
Urethanes bond different substrates without the bond line being visible through the substrate
A two-part urethane adhesive that delivers extremely tough, flexible bonds.
A quick-curing, two-component polyurethane adhesive that is designed to repair cracks, spalls and breaks in concrete, masonry and stone.
Need help finding the right epoxy adhesive for your project? Contact us if you need product, technical or application advice, or want to collaborate with a 3M technical specialist.