The Permatex High-Temperature RTV Silicone Gasket is the perfect solution for any high-temperature sealing needs. This superior silicone gasket is designed to provide superior flexibility and adherence, making it ideal for use in a variety of applications. It can withstand temperatures up to 600 °F and is designed to replace cut gaskets in various applications. This product is non-toxic, non-flammable and simple to use. It can be applied as a dressing or gasket maker, making it a versatile and reliable product. FleetPride is your First Click in Heavy Duty®.