Thermalright TF8 13.8 W / m.k high-end thermal grease non-conductivity and high heat transfer for CPU GPU cooler 1.2g /2g/5.8g
https://www.vogueparade.com/shopping/EN/200001076/1/1005002648522994/thermalright-tf8-138-w-mk-high-end-thermal-grease-non-conductivity-and-high-heat-transfer-for-cpu-gpu-cooler-12g-2g58g//