Thermal Paste Deepcool Z3 Application For High quality thermal paste to provide excellent heat transfer from CPU/GPU to cooler. Technical Spec Gross Weight : 6.5g Color : Silver gray Operating Temperature : -50C--220C Thermal Conductivity : gt;1.134 W/m-K Thermal Impedance : Dielectric Constant A : gt;5.1 Viscosity : 73cps Net Weight : 1.5g