MG Chemicals 860 Silicone Heat Transfer Compound, 60g Jar (860-60G)Designed for use in transferring heat away from electrical and electronic devices such as; transistors, power diodes, semi conductors, ballast's and thermocouple wells. High thermal conductivity, high dielectric constant, high dissipation factor, use with heat sinks or metal chassis, will not dry or harden. Contains zinc oxide and polydimethyl siloxane. High thermal conductivity High dielectric constant High dissipation factor Use with heat sinks or