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 degree Fahrenheit to 400 degree Fahrenheit (-62 degree Celsius to 204 degree Celsius). Applications windshields, sunroofs, windows, headlamp assemblies, marine glass, RV vents and windowsFills surface voids and irregularitiesForms a tough, waterproof, durable, clear sealTemperature range -80 degree Fahrenheit to 450 degree Fahrenheit (-62 degree Celsius to +232 degree Celsius)