Can thermal grease be applied to the surface of the thermal silicone pad? Is it necessary?

Can thermal grease be applied to the surface of the thermal silicone pad? Is it necessary?

Thermal grease and thermally conductive silicone sheet are both very commonly used thermally conductive materials for electronic products. Both have their own advantages and application fields, but some customers will think of combining the two to improve the thermal conductivity. The surface of the thermally conductive silicone sheet can be smeared Thermal grease?

First of all, let’s understand the difference between thermally conductive silicone grease and thermally conductive silicone sheet: thermally conductive silicone sheet is solid, and thermally conductive silicone grease is liquid. Heat conduction and heat dissipation of power amplifiers, transistors, tubes, CPUs and other electronic components. The thermally conductive silicone sheet is specially produced by using the design scheme to transfer heat through the gap, which can fill the gap and meet the thermal conductivity of miniaturization and ultra-thin equipment. And in use, thermal grease is relatively troublesome.

Can you apply silicone grease on the surface of the thermal pad?

If you want to try to apply thermal conductive silicone grease on the silicone sheet, it is actually completely possible. After all, the two have similar performances. Applying thermal conductive silicone grease on the surface of the thermal conductive silicone sheet can still be used normally. Normal performance of thermal conductivity.

Is it necessary to do this

It is not necessary to apply thermal conductive silicone grease on the thermal conductive silicone sheet, because the functions of the two are inherently different, and the application scenarios are naturally different. The thermal conductive silicone sheet is suitable for two objects with large gaps. The most important application of grease is precision instruments. The combination of the two will not bring significant performance improvement, and neither has any special effect, but will further increase the cost of the product. Generally speaking, the combined operation is not recommended.

Therefore, it is absolutely unnecessary to apply thermal grease to the surface of the thermally conductive silicone sheet. If there is a need for higher thermal conductivity, you can contact CoolThermo thermal interface material. We can provide you with a variety of thermally conductive silicone sheets and thermally conductive silicone sheets with higher performance. Grease and other high-quality thermal interface material products.

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