Dynatex blue RTV silicone gasket maker is a paste-like, one-component material, which cures to a tough, rubbery solid upon exposure to moisture in the air. Formulated for gasket making applications. Sensor safe and manufactured to meet OEM specifications. Makes instant, leak proof gaskets for all engines, drive train equipment, and related components. Resists oil, water, anti-freeze, and transmission fluid. Provides exceptional leak control and torque retention. Oxygen sensor safe, low volatile. Makes instant leak-proof gaskets. Resists oil, water, anti-freeze and transmission fluid. Remains flexible. Makes any size or shape gasket instantly. Applicable for valve covers, oil pans, transmission pans, rear-end housing, timing chain covers, thermostat housings, oil pump flanges and more. Suggestions of uses should not be taken as inducements to infringe any patents. ISO Certified.