The 3M™ Polyurethane Adhesive Sealant 560 is a high-strength, single-component, moisture-curing, gap-filling polyurethane adhesive that creates high-strength bonds on a wide variety of materials including plastics, metals, fibreglass, and wood.3M Polyurethane Adhesive Sealant 560 bonds to a wide variety of materials including plastics, FRP, SMC, aluminum, steel, coated metal, and wood.