This potting compound is formulated for use in sensitive applications such as manufacturing semiconductors. Encase electronic assemblies in a layer of material for protection from dust, moisture, chemicals, mechanical shock, and vibration. Urethane withstands a wide range of temperatures and is the best choice for cold-temperature applications. It has excellent flexibility, good chemical and moisture resistance, and provides good electrical insulation. Use a gun (sold separately) with the included mixer nozzle to dispense.