Granville HT Instant Gasket is a high-temperature one-component silicone sealant developed for areas exposed to high temperatures. It is ready to use in a double-piston aerosol power can for controlled application and a professional finish, considerably reducing wastage. Product Benefits: * Resists temperatures up to 232°C (450°F) intermittent. * Suitable for use on vehicles with catalytic converters fitted (when fully cured). * Allows controlled application. * Gives a professional finish. * Considerably reduces wastage of expensive silicone. Product Usage: For sealing and gasketing of components subject to high temperatures. Not recommended for use on head gaskets or parts requiring continuous immersion in petrol. The product withstands high temperatures up to 232°C intermittent.