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News & Resources

Characterization of Fuel Resistant Fluorosilicones

Silicones are commonly used in automotive applications as potting compounds, adhesives, gaskets, seals and encapsulants due to their ability to remain elastic at low temperatures and resist breakdown at high temperatures or in UV light. In addition to a broad operating temperature range, silicones inherently possess high dielectric strength (= 500 V/mil), low modulus and a low glass transition point (Tg), as compared to organic-based rubbers. These characteristics make silicones ideal for use in high-power electronic applications, yet gentle enough for delicate wire bond encapsulation and other applications in which thermal cycling is a concern. Ultimately, the quality that contributes most to silicone’s wide use in the automotive and other industries is the opportunity for formulation flexibility.