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3M(TM) Polyurethane Sealant 540 Gray, 400 mL Sausage Pack, 12 per case

3M ID  62548535301    UPC#  00021200962776    3M Product Number  540     
3M™ 540 Polyurethane Sealant
3M™ 540 Polyurethane Sealant
3M(TM) Polyurethane Sealant 540 is a one component, moisture curing products which form permanently elastic bonds.
  • Excellent Sealer
  • Paintable
  • Smoke and Flame Rated, 90 minute skin time
  • Construction, general industrial and transportation
  • Sealing, caulking, waterproofing and damping
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Adheres to a wide variety of materials including plastics, FRP, SMC, aluminum, steel, coated metal, and wood.


Application MethodHand or pressure caulk
ConsistencyMedium paste
Container Volume400 ml
Cure Rate>3 mm/24 hr
Elongation600 Percent
Hardness40 Shore A
IndustriesTransportation, Specialty Vehicle, Construction, General Industrial
Modulus at 100%58 Pound-Force Per Square Inch
Product FormPackage
Solids Weight Percent (Approximate)90 Percent
Tack Free Time1 Hour
Tensile Strength250 psi