Chem Link Inc., Kalamazoo, Mich., introduces DuraLink™ Low Modulus Moisture Cure Sealant. This soft, elastomeric sealant was designed for use in dynamic joints such as metal laps and seams. Solvent free, it bonds to aluminum, wood, glass, masonry, fiberglass, vinyl, copper and coated metals. The sealant tools to a smooth, non-shrinking mass and skins in over 20 minutes. It cures to a resilient rubber seal without shrinkage in three to seven days and is available in seven contractor colors.