3M Polyurethane Sealant 540 Black is a one component, moisture curing sealant that forms permanent elastic bonds to a variety of materials including metals, plastics, fiberglass, and wood. 1/10 gal Cartridge.

• One component/moisture curing
• Bonds dissimilar materials
• Adheres to a wide variety of materials
• Permanently elastic
• Paintable after cure
• High tensile strength
• Fast curing