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What is the relationship between the surface treatment of aluminum radiator profiles and the heat dissipation performance?

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Update time : 2022-12-29 18:55:19
What is the relationship between the surface treatment of aluminum radiator profiles and the heat dissipation performance? Therefore, a brief introduction to this aspect of the situation, I hope to be helpful to you.
The surface treatment of aluminum radiator profiles is designed to play the role of beauty and protection. Usually aluminum radiator is mostly made of silver white, which is the natural color of aluminum, and there are also black and golden yellow. Among many colors, black has strong thermal radiation ability. Under the natural condition of liquid, the heat dissipation efficiency of black is about 5% higher than that of silver, and the other gold is almost not helpful to the heat dissipation performance, and sometimes the surface will reduce the heat dissipation performance after increasing the color treatment.
If a fan is installed on the aluminum radiator profiles to increase airflow, the effect of surface colour can be ignored. The advantage of surface colour is that it can provide protection to the radiator. Especially in some harsh working environments, the colour treatment of the surface will greatly increase the service life of the radiator.
So the surface treatment of the aluminum radiator profiles we produced before are all silver-white and non-shiny. However, customers have higher requirements for the surface treatment of the aluminum radiator profiles, which requires bright surface, upright column shape without scratching. After the completion of the CNC highlight surface process, the column should be hollowed out to increase the heat dissipation area.
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