Chemicals & Fluids › Ultra Black Hi-Temp RTV Silicone Image 1 of 1 Ultra Black Hi-Temp RTV Silicone $12.95 Fast-curing formula, sensor safe, low odor, noncorrosiveMeets performance specs of OE silicone gasketsRetains high flexibility, oil resistance propertiesTemperature range -65ºF to 550ºF intermittent Quantity: Purchase Added! Fast-curing formula, sensor safe, low odor, noncorrosiveMeets performance specs of OE silicone gasketsRetains high flexibility, oil resistance propertiesTemperature range -65ºF to 550ºF intermittent