Blue RTV Gasket MakerPermatex Sensor Safe Blue RTV (Room Temperature Vulcanizing) Silicone Gasket Maker makes reliable 'formed-in-place' gaskets that resist cracking, shrinking, and migrating and replaces almost any cut gasket. Coats pre-cut gaskets to increase reliability; will not foul oxygen sensors. Temperature range -65°F to 500°F (-54°C to 260°C) intermittent; resists auto and shop fluids. Permatex gasket makers offers significant performance advantages which include outstanding oil resistance, excellent torque retention, and hi-temp, sensor-safe properties. Extended warranties, engine sensors, and new component materials such as aluminum, bi-metal alloys and high-tech plastics, have created the need for superior RTV silicone gasket makers in both OEM production and service applications.Key Features:Suggested Applications: Valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pansTemperature range: -65°F to 500°F (-54°C to 260°C) intermittentOriginal Permatex BlueSuperior adhesion and flexibilitySensor safeReplaces most cut gasketsCan be used as a gasket maker or dressingEasy applicationNon-flammable, Non-toxicLow Odor231316