Can be used in almost any situation where a permanent, elastic rubbery seal is required, Remains continuously flexible a 550º F and intermittently flexible at 600º F for one hour, Adheres to glass, metal, plastic, fiberglass, aluminum, wood, brick, and slate, Cures without heat, Free of unpleasant odors, Won"t corrode copper or galvanized metals, Outstanding chemical resistance, Meets or exceeds Fed, Spec, TTS-001543C Class A, TTS-00230C Class A, and ASTM C920-86, Properties:, Tooling Time: 5 minutes, Tack-Free Time: 12 minutes, Cure Time: about 24 hours, Elongation: 400%, Joint Movement Capability: +/- 25%, Hardness (Shore A): 30, Tensile Strength: 280 psi, Color: dark red, SKU: RTLD075