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Coated Aluminum Foil for Aircon

Publish: Modify: Aug 04, 2022Author: From:  Haomei

The aluminum foil for aircon has two types:plain aluminum foil and coated aluminum foil. One of the main coated aluminum foil is hydrophilic aluminum foil. What are its properties?

Aircon aluminum foil is a special material for the manufacture of heat exchanger fins for air conditioners. The air-conditioning foil used in the early days was plain foil. Uncoated aluminum foil refers to aluminum foil that has been rolled and annealed without any form of surface treatment.

To In order to improve the surface properties of plain foil, coated aluminum foil is to reprocess the surface of non-coated aluminum foil to make it have some special function. In countries with rapid technological development such as Japan and Germany, coated aluminum foil has been used for more than 15 years.

Aircon aluminum foil.jpg

The production process of coated aluminum foil requires the aluminum foil to have a good shape, which is a prerequisite for the production of coated aluminum foil. The unit for measuring the shape index is I. The general coating production equipment's requirements for the plate shape are within 20-40I. If it is greater than this value, a tension straightening system needs to be added before the coating equipment.

Hydrophilic aluminum foil is one of the main coated aluminum foils. It is a hydrophilic treatment of aluminum foil. The aluminum foil for air conditioners with a thickness of about 0.1mm is coated with anti-corrosion coating and hydrophilic coating.

Because the surface is covered with a hydrophilic layer, the condensed water will quickly spread on the hydrophilic aluminum foil, and will not condense into water droplets, thus increasing the heat exchange area, speeding up the cooling and heating speed and avoiding the air flow resulting noise.

The hydrophilic performance is determined by the angle formed by the water sticking to the surface of the aluminum foil. The smaller the angle a, the better the hydrophilic performance, and vice versa, the worse the hydrophilic performance. Generally speaking, the angle of a is less than 35.

Related Tags:  aircon aluminum foil

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