What is an Aluminum Heat Sink

  • By:Guangyuan
  • 2020-03-31
  • 1071

Aluminum profile heat sink is also called the radiator aluminum profile or the sunflower aluminum profile. The aluminum profile heat sink has the characteristics of beautiful appearance, light weight, good heat dissipation performance and good energy saving effect.

Aluminum profile heat sinks are mainly made of high pressure cast aluminum and tensile aluminum profile. Its main advantages are:

The heat dissipation of the aluminum profile heat sink is good, and the energy-saving features are very obvious. In the same room, if the same size radiator is used, the number of aluminum casts is less than that of steel.

The aluminum profile heat sink has good oxidation and corrosion resistance without adding any additives. The principle is that once the aluminum encounters oxygen in the air, it will form an oxide film, which is both tough and dense, preventing further on the bulk material corrosion.


For aluminum heat sinks, it is best to choose a high-pressure cast aluminum module combined heat sink. This kind of heat sink is integrally die-casted, so there is no problem of water leakage in the weld. Moreover, its biggest advantage is that the product is not limited by the residential heating system, even in the open boiler system, it can be protected from oxygen. Due to the modular design, after a heating season, if the indoor temperature is not enough, you can add one or two more pieces to meet your needs in the second year, instead of having to replace the entire set of heating like a steel heat sink.

In addition, since the aluminum profile heat sink has different water quality requirements than steel, the aluminum heat sink should be avoided to be mixed with other materials.

The surface of the processed aluminum profile heat sink is anodized for surface treatment to increase the corrosion resistance, wear resistance and appearance of the aluminum.

At present, the types of radiator aluminum profiles commonly used in China are: electronics, electrical appliances, computer radiator aluminum profiles, sunflower aluminum profile radiators, and power semiconductor radiator profiles.

Aluminum profile radiators are widely used in industries such as machinery, automobiles, wind power, construction machinery, air compressors, railway locomotives, and household appliances, etc.

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