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What are the types of fin stocks?

Edit:Mingtai Date: 2019-08-13 09:33
1. Non-coated fin stock
Non-coated fin stock refers to aluminum foil that has been subjected to rolling annealing without any surface treatment. In China 10 years ago, the aluminum foil used for air conditioning heat exchange sheets about 15 years ago was uncoated aluminum foil. About 50% of the heat transfer sheets used in developed countries are still uncoated aluminum foil, while in China, this ratio is around 60%.
2, coated fin stock
The so-called coated fin stock is a surface re-treatment of uncoated aluminum foil to give it a special function. In countries with rapid technological development such as Japan and Germany, coated aluminum foil has been used for more than 15 years. In China, the time to use coated aluminum foil is no more than 10 years. According to the characteristics of the surface of the coated aluminum foil, it can be classified as follows:
3, corrosion resistant fin stock
The surface of the corrosion-resistant fin stock has a certain anti-corrosion protective layer. The air-conditioning heat exchange sheet made of the product can be applied to a relatively harsh area, and the service life of the air conditioner can be significantly improved. At the same time, due to the improvement of the corrosion resistance of the heat exchange sheet, the generation of surface corrosion powder is greatly reduced, thereby improving the ventilation quality and purifying the air in the air conditioning room.

 
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