Premium Elastic Sealant Cords and Compounds are non-hardening, water-resistant, and formulated from the highest quality materials . They are non-staining, non-bleeding, and have excellent adhesion to clean dry surfaces . Supplied in ready-to-use extruded cords or bulk compound . These sealant products are widely used in air conditioning and refrigeration industries to seal around outer cases, behind hinges, and under breaker strips . They can also be used in many other applications to seal around such items as utility panels, cables, ducts, and window frames . With it being water-resistant and permanently pliable, this product is an excellent sealant having a wide variety of applications to provide an effective barrier against water, moisture, dirt and dust.