RTV Silicone Sealant, Gasket Maker, 1 oz, Black, Temp. Range -75 Degrees to 500 Degrees F, Specific Gravity 1.01, Viscosity Paste, Flash Point 212 Degrees F, Full Cure 24 hr, Begins to Harden 10 to 20 min, Expansion Ratio None, Substrates Ceramic, Glass, Metal, Plastic, Wood