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