Dynatex red Hi-Temp 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 to withstand higher operating temperatures. Sensor safe and manufactured to meet OEM specifications. Resists cracking and migration caused by thermal cycling; will not leak; resists water, oil, and anti- freeze. 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, intake manifold end seals, water pumps, timing covers, thermostat housings, differential covers and more. Suggestions of uses should not be taken as inducements to infringe any patents. ISO Certified.