Primary use: Fill the gap between heating element and the cooling device; Increase the contact area, so as to achieve the soundest effect of thermal conductivity. Special properties: stable at higt temperatures Type:Silicone fluid Physical from:Grease-like Thermal conductivity: > 1.05W/m-k Specific Gravity:>2.1g/cm3 Working temperature: -50~200 C Color: Grayness