http://www.deepcool.com/product/dcoolingaccessory/2016-02/12_4747.shtml Excellent Thermal Conductivity Z5 thermal gel consists of high thermal conductivity to allow high performance heat dissipation. Recommended with High Performance CPU Cooler Density of Z5 is compatible with most polished CPU cooler for maximum heat dissipation. Pure Electrical Insulation Z5 is designed to prevent electrical damage caused by the thermal paste. Excellent thermal conductivity. Electrically non-conductive. Wide range of application temperature. Technical Spec Gross Weight : 7g Color : Silver gray Operating Temperature : -50C--300C Thermal Conductivity : gt;1.46 W/m-K Thermal Impedance : 0.159?-in2/W Dielectric Constant A : 6 Viscosity : 76cps Net Weight : 3.0g EAN : 6933412700043 P/N : DP-TIM-Z5-2