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Alloys of Aluminum Foil for Air Conditioner

Publish: Modify: Jul 03, 2023Author: From:  Haomei

At present, the alloys of aluminum foil for air conditioner include 1100, 1200, 3003, 3102, 8011 aluminum foil. It is divided into plain aluminum foil and coated alumium foil like hydrophilic aluminum foil. Learn more.

The air conditioner heat exchanger is an important part of the air conditioner, the performance of the heat exchanger directly affects the performance of the air conditioner, and aircon aluminum foil is an important material for the heat exchanger, so the quality of the aluminum foil directly affects the performance of the air conditioner.

Aluminum foil for air conditioner like 1100 pure aluminum is a special material for the manufacture of heat exchanger fins for air conditioners. The air conditioner foil used in the early days was plain aluminum foil. In order to improve the surface properties of the plain foil, it is coated with an anti-corrosion inorganic coating and a hydrophilic organic coating.

aluminum foil for air conditioner.jpg

The surface of the aluminum foil coated with a hydrophilic coating has a strong affinity for water, and the condensed water diffuses quickly on the fins, and it is not easy to form a "water bridge", so the ventilation effect is good when the air conditioner is running. The index to measure hydrophilicity is called hydrophilic angle.

There is no hard rule on the thickness of the coating film on the surface of the aluminum foil, and it is generally 1.0-20um. Because the price of coatings is generally more expensive, the thinner the coating film thickness is controlled under the premise of meeting the performance requirements, the lower the production cost. The thickness of the coating directly affects the various performance indicators of the coating, so the coating thickness on the surface of the aluminum foil is required to be uniform.

The technological process of producing air-conditioning foil by casting and rolling method: melting-casting-rolling-cold rolling-aluminum foil rolling; the technological process of producing air-conditioning foil by hot-rolling method: melting-casting-sawing-milling-homogenization and heating-hot rolling- cold-rolling -aluminum foil rolling. Compared with the two methods, the hot rolling method has a long and complicated process, at least 4 more processes than the casting and rolling method.

At present, the alloys of aluminum foil for air conditioner include 1100, 1200, 3003, 3102, 8011 aluminum foil. The common tempers are H22, H24 and H26. The air conditioner aluminum foil generally uses 3003 aluminium alloy, which mainly has good formability and uniform structure and performance. It has few metallurgical defects, small anisotropy, high strength, good ductility, uniform thickness, and good flatness. Welcome to leave message below to inquire what you need.

Related Tags:  aircon aluminum foil

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