RTV Silicone Sealant, Non-Corrosive, 300 mL, Clear, Temp. Range -75 to 500DF, Specific Gravity 1.01, Viscosity Paste, Full Cure 24 hr, Begins to Harden Tack Free: 25 min, Substrates Bonds and Seals to Most Surfaces, Not For Concrete., Oil Resistant. Resists Steam, Chemical and UV Ozone Exposure, As Well As Aging, Weathering and Thermal Cycling Without Hardening, Shrinking Or Cracking., Used for Bonding and Sealing Electrical Applications.