Permatex Optimum Black Gasket Maker

Permatex Optimum Black is one of the most advanced, high flex, maximum oil resistant RTV silicone gasket makers available. It's sensor-safe, non-corrosive & low odor. 15% stronger and 60% more flexible than Ultra Black Includes an extra nozzle for added convenience Retains highest flexibility with maximum oil resistance through use of a patented adhesion system Meets performance specs of OE silicone gaskets 15% stronger and 60% more flexible than Ultra Black Retains highest flexibility with maximum oil resistance through use of a patented adhesion system Meets performance specs of OE silicone gaskets