LOCTITE SF 7200 removes cured chemical gaskets by softening the material on the flange. After application, the product forms a foam layer over the gasket, preventing the sealant from running out of the intended location. Therefore, it is possible to work within the required time period. Typical applications include removal of all chemical gaskets on metal flanges. Especially useful where scraping, such as aluminum or other soft metal flanges, could cause surface damage.