Electrolube htcx35sl heat transfer compound xtra non silicone electrolube htcx35sl p electrolube htcx is an enhanced version of htc with improved thermal conductivity lower oil bleed and lower evaporation weight loss it is recommended where efficient and reliable thermal coupling of electronic components or heat dissipation between any surfaces are required p p it can be applied to the base and mounting studs of diodes transistors thyristors heat sinks silicone rectifiers and semi