Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sen
82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe and Non-Corrosive, for High Flex and Oil Resistant Applications 3 Oz. Item model number 82180. Permatex Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker is a fast-curing, sensor safe, low odor, non-corrosive formula that retains high flexibility, and oil resistance properties through use of a patented adhesion system.