How long to replace the CPU thermal silica gel is more appropriate

Source: Internet
Author: User

Silica gel (Silicone grease) is a liquid, but is not moisture and other volatile substances, is basically metal powder and silicone oil and other fillers are mixed.

The liquid component is mainly used to help the metal particles to be filled into the crevice of the metal when the first smear is applied. After the first smear, basically 2-3 years, as long as there is no loosening of the phenomenon will not need to fill again.

The correct smear method of silicone (silicone grease)

1, first with high-purity solvents (such as high purity acetone) and no flannel (such as camera lens cloth) clean CPU core surface and radiator bottom, pay attention not to let the fingers touch the core and radiator surface. (Alcohol is also available if there is no acetone)

2, determine the heatsink on the contact with the CPU area, at the bottom of the radiator center squeeze a certain amount of thermal grease.

3, put your finger into the plastic bag, and then press back and forth with your fingers, apply the heat conduction silicone grease at the bottom of the radiator until the silicone grease is evenly distributed in the area of the CPU contact. (Don't smear it with your finger directly!)

4, with no flannel to the bottom of the heat-conductive silicone grease erase, then you can see the bottom of the radiator and other areas of the silicone grease is not the same color, indicating that the silicone grease has been evenly filled the base of the gap.

5, with clean tools (such as razor blade or clean knife) stir a little thermal grease, and placed to the core of the CPU (such as the lower left corner of the place). Notice, just a small piece of it.

6, the use of razor blades or other clean tools, starting from a corner of the CPU core, the silicone grease evenly coated the entire core. For the ordinary radiator bottom, the thickness of silicone grease is about a sheet of ordinary paper thickness, if the bottom surface of the radiator is bright and smooth, then the silicone grease can be thin to translucent shape.

7, confirm the radiator base and CPU core surface no foreign matter, put the radiator on the CPU, at this time can only be light pressure, can not rotate or pan the radiator, otherwise it may cause the radiator and the CPU between the thickness of the grease is uneven.

Computer enthusiasts tips: Silicone should not be too thick, nor too thin, heat spreader and the middle of the CPU can not have foreign objects!

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