DIRECTIONS: 1. For best results, surfaces should be clean and dry. 2. Remove black cap from nozzle top and turn nozzle counterclockwise 1-2 turns. 3. Depress finger trigger to dispense, applying a continuous 1/16″ to 1/4″ (2 to 6mm) bead to one surface, surrounding all bolt holes. 4. Turn nozzle clockwise until tight to close and replace nozzle cap. 5. Assemble parts immediately; finger tighten until material begins to squeeze out around flange. Let dry one hour then tighten to torque specifications. Allow 24 hours to fully cure before filling with fluids or returning to service. NOTE: Not to be used as a head gasket or on parts in contact with gasoline.
Permatex’s Optimum Red offers the maximum temperature resistant available today. Optimum Red ranges up to 750°F (399°C); higher than Ultra Copper and Regular RTV Red. This Maximum Temperature gasket maker is resistant to high thermal cycling and is sensor-safe, non-corrosive RTV. This chemical gasket maker can be used in replacement of pre-cut gaskets and is ideal for high-temperature applications such as the exhaust manifold, header, turbochargers and slip-fit exhaust parts.
1Maximum temperature performance
2Sensor-safe, non-corrosive, RTV silicone
4Temperature resistance up to 750°F (399°C) intermittent