Electrolube htcp20s heat transfer compound plus non silicone 20ml electrolube htcp20s electrolube htcp is a highly thermally conductive non curing heat transfer paste designed for use as a thermal interface material it is recommended where large amounts of heat need to be dissipated efficiently ensuring the reliable thermal coupling of electronic components to heatsinks chassis etc htcp is a non silicone paste and is therefore suitable for applications where silicones are prohibited