DETAILS: SUPER LUBE SILICONE HEAT SINK COMPOUND IS A WHITE GREASE BLENDED WITH THERMALLY CONDUCTIVE, FINE METAL OXIDE POWDERS. WILL NOT HARDEN, DRY OUT OR MELT. AIDS IN THE EFFICIENT TRANSFER OF HEAT AWAY FROM ELECTRONICS AND ELECTRICAL COMPONENTS. TEMPERATURE RANGE FROM -40 DEGREES F TO +500 DEGREES F.