Kerafol keratherm thermal grease silicone high thermal conductivity kerafol kerathermkp98500g the kp98 is a thermal grease compound that has a 60wmk thermal conductivity value the grease is a ceramic filled single component silicone that does not dry out and where the silicone component doesnt leak out of the compound the long lifetime of this thermal grease guarantees full operability over the entire lifetime of the products and special storage is not required so that it may be stored u