A free flowing, low viscosity, one compound RTV silicone rubber. TB1211 is ideal for places where long, faultless seal is critical. Recommended for sealing flange surfaces and screw sections to prevent oil, water, gasoline and chemical leaks. TB1211 is effective over a wide temperature range, -76 degrees to 482 degrees F. Tack free in 90 minutes; fully cured in 24 hours. Recommended for automotive, motorcycle, watercraft, snowmobile and ATV engines