Renowned premium-grade thermal compound for optimal heat-transfer from the CPU or GPU to the heatsink; more than 150 awards and recommendations Easy to apply (no need to spread before heatsink installation) and easy to clean with dry paper towel or tissue (no cleaning alcohol required) Not electrically conductive and non-corroding thermal grease: no risk of short-circuits and safe to use with all types of heatsinks Trusted Noctua quality with excellent long-term stability: recommended storage time up to 3 years, recommended usage time on the CPU up to 5 years 3.5g pack for around 3-20 applications (depending on CPU size, e.g. ~3 applications for TR4, ~15 for AM4 or LGA1700, ~20 for LGA1200)