Excellent Thermal Conductivity Z5 thermal gel consist high heat conductivity to allow high performance of heat dissipation. Recommended with High Performance CPU Cooler Z5s density is compatible with sharp-mirrored CPU coolers surface for maximum heat dissipation. Pure Electrical Insulation Z5 is specially made to avoid any electrical damage resulted by thermal paste. Excellent thermal conductivity. Electrically non-conductive. Wide range of application temperature. Gross Weight : 7g Dielectric Constant A : >6 Operating Temperature : -50C--300C Viscosity : 76cps Thermal Conductivity : >1.46 W/m-K