What is silicone glue used for computer?

As a office worker, we will usually work with computer, do you know what part of computer is silicone glue used for? 
the computer cpu cooling gel is made from silicone glue,it's general called thermal grease, and is a thermal grease.

In our daily life,it's a kind of silicone glue for computer cpu heating,silicone glue is widely used in transistors, tubes, CPU and other electronic devices to ensure stable performance of electronic equipment.

With advanced advantages, it's high temperature resistance,water resistance, resistance to weathering,not only it has excellent electrical insulating properties, but also excellent thermal conductivity, It is a good insulating material.