Industry dynamic

Why does thermal grease have no adhesive properties? Will it fall off?

2024-09-13

Nowadays, the performance of electrical appliances is getting better and better, and they can meet the requirements of light weight, complete performance, and long-term use without burning. The reason for such progress is that thermal conductive materials are added during manufacturing to enhance the performance of the radiator. This material is thermal grease. Thermal grease is in the state of silicone grease. Whether before or after use, the performance remains unchanged. It has no adhesive properties and adheres to the surface of the substrate to exert heat dissipation performance. Why is there no adhesion? Will it fall off?


The main function of thermal grease is to fill the gap, because there is a small gap between the heating element and the radiator. There is air in these gaps. Air is a poor conductor and reduces the performance of the radiator. After using thermal grease, the heating element and the radiator are fully in contact to enhance the heat dissipation effect.

The main raw materials of thermal grease are organic silicone and some materials with heat dissipation performance. These materials have no adhesion, but have good viscosity and will not fall off when attached to the surface of the substrate.


Why doesn't thermal grease fall off?

Strong viscosity. Thermal grease is a material with good viscosity. It will not fall off easily after being applied to the surface of the substrate. To remove it, you need to wipe it with a paper towel or use a scraper to remove it.

Thin application. Thermal grease only needs to be applied in a thin layer to achieve the heat conduction effect. Thin grease has stronger adhesion and is not easy to fall off.

Tightening of the substrate. Thermal grease is applied in the middle of the heating element and the heat dissipation facility. The two need to be tightened with screws to achieve full contact. In this case, it will not fall off at all.


Thermal grease is a good heat dissipation material. There are many brands on the market. Different brands have strict restrictions on their uses. Buying products from big brands is more adaptable. For example, TENSAN focuses on the research of thermal grease and provides customized thermal grease application solutions. It has a wide range of uses and can be applied to new energy, military, medical, aviation, shipbuilding, electronics, automobiles, instruments, power supplies, high-speed rail and other industries.


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