April 14, 2021
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3M™ Polyurethane Sealant 540
RESOURCES 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. TYPICAL APPLICATIONS3M™ Polyurethane Sealant 540 is