3M Polyurethane Sealant 540 Gray, 10.5oz Cartridge
3M Scotch-Seal Polyurethane Sealant 540 is a one component, moisture curing product which forms a permanent elastic bond. 3M Scotch-Seal Polyurethane Sealant 540 bonds to a wide variety of materials including plastics, FRP, SMC, aluminum, steel, coated metal, and wood.
Seal lap seams on trucks, trains, trailers, vans, RV's specialty vehicles and construction panels. Good for general industrial bonding/sealing.