3M™ Polyurethane Sealant is a one component, moisture curing product which forms permanent elastic bonds. 3M™ Polyurethane Sealant is a high performance polyurethane sealant that is ideally suited for a number of construction applications. It adheres to a wide variety of materials including plastics, metals, fibreglass and wood. The sealant offers multiple uses and requires no mixing, which helps to simplify production. It also is designed with high tensile strength and offers a long lasting bond, making it reliable and efficient.