Thermal paste forms a continuous, conductive layer between a processor and its heat sink, improving cooling performance and keeping your important chips from overheating.Whenever you remove a heat sink, it’s very important to remove the old thermal paste and apply a new layer.Specifications: Density: 2.3 g/cm3 Thermal Conductivity: 6.5 W/m-K Operation temperature Range: -30 - 150°C Non Electrically Conductive Non curing, no bleedout Easy application and spreadability A blend of carbon and ceramic particles in a silicone polymer matrix Kit Contents Thermal Paste Arctic Silver ArctiClean Two-Part Cleaner Two Plastic Cards Glass Fiber Spudger Two iFixit Opening Tools Anti-Static Wrist Strap Five Berkshire Choice Nonwoven 600 Cleanroom Wipes CompatibilityThis part is compatible with All machines requiring gray thermal paste..