Permatex . Wicking action silicone seeks the leak . Flows into hidden and hard-to-reach areas. Forms a tough, waterproof, durable clear seal that is resistant to weather, extreme temperatures, vibration, shock, and most shop chemicals. Fills surface voids and irregularities. Temperature range -80 deg. F. to 450 deg.F. Suggested applications : Windshields, sunroofs, windows, headlamp assemblies, marine glass, RV vents, and windows. 1.5 fl. oz. tube. Carded.