Gasket Remover from PitStopUSA.com features fast-foaming action that penetrates the most stubborn or baked-on gaskets in 15-20 minutes. The built-in brush-tip was designed for easy application and allows for scrubbing on intricate surfaces. This product is NOT recommended for use on silicone gaskets. Gaskets Peelers are amazingly efffective at removing silicone gasket material. It also works well when removing paper or fiber gasket residue. It is much easier and faster than common knives or scrapers.