Over the last fifty years, the aerospace and aircraft industries have utilized silicone in an ever-growing number of applications for its unique properties. Inherently, silicone possesses high dielectric strength (≥ 500 V/mil, typically) and a large Coefficient of Thermal Expansion (CTE), allowing it to absorb stresses during thermal cycling. In addition, low modulus and low glass transition point enable silicone to remain elastic at low temperatures and resist breakdown at high temperatures or in UV light. Besides characteristics such as these, key to the legacy of silicone in an ever-expanding range of applications is the material’s ability to be designed as needed to fulfill a particular role. New innovations in silicone technology that add to silicone’s prolific resume and success in the aerospace and aircraft industries are fuel and solvent resistant silicone elastomers, silicone ice-release coatings for aerodynamic surfaces, and controlled volatility silicone film adhesives.
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