RTV Silicone Sealant, 190 mL, Black, Temp. Range -65 to 450DF, Specific Gravity 1.01, Viscosity Paste, Flash Point 199.94 Degrees F, Full Cure 24 hr, Begins to Harden Tack Free: 30 min, General Purpose. Forms A Tough, Flexible Silicone Rubber Gasket. Resists Aging, Weathering, and Thermal Cycling Without Hardening, Shrinking, Or Cracking., Adheres to Most Surfaces. Easy-To-Dispense Aerosol Can System.