This product is either discontinued or we cannot get that from suppliers.
Deepcool DP-TIM-Z9-2, Z9 High Performance Thermal Paste With 20 Silver Oxide, Silver gray, Dielectric Constant A >18.05, Viscosity 89.16cps, Thermal Conductivity 4 W/m·K.
The Deepcool Z9 is an electrically non-conductive paste that is applied between CPU/GPU and designated coolers to transfer the dissipated heat from the components to the heat sink.