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3M™ Polyurethane Sealant 540

3M™ Polyurethane Sealant 540
MMM 49054
Size: 10 oz Cartridge
  • Multi-purpose bonding and long lasting seals
  • Permanently elastic to allow joint movement
  • 60-90 skin time; paintable, once skin forms
  • Good UV resistance
  • One component, moisture-curing sealant simplifies production
  • Bonds dissimilar materials for increased design flexibility
  • Gap filling capability

3M™ Polyurethane Sealant 540 is an all-purpose, single-component, moisture-curing, gap-filling polyurethane that creates permanently elastic seals and bonds in a wide variety of service environments.

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