Film thickness problem of aluminum profile

by:Zeyi     2021-06-13
In order to strengthen the protection of the aluminum base material, some surface treatment is usually carried out. Different surface treatment film thicknesses are differentiated according to actual needs. The unit of film thickness is generally expressed in μm (micrometer), usually abbreviated as μ. The editor now describes several commonly used surface treatment film thicknesses as follows:   1. Aluminum alloy anodized surface treatment film thickness:    Aluminum profile surface oxide film thickness, according to the needs of use, mainly divided into 4 grades, namely AA10, AA15, AA20 , AA25, that is, the average surface film thickness of the aluminum alloy profile is 10μm, 15μm, 20μm, 25μm, and the local thickness is not less than 8μm, 12μm, 16μm, 20μm.   Second, aluminum alloy powder spraying surface treatment film thickness: aluminum alloy powder spraying surface coating film thickness is generally not classified, usually the average film thickness is not less than 40μm, local not less than 35μm. 3. Aluminum alloy fluorocarbon spraying surface treatment film thickness:    aluminum alloy fluorocarbon spraying surface film thickness, surface coating is usually divided into two types: 2 coating 1 baking and 3 coating 2 baking, the average film thickness of 2 coating 30μm, The average film thickness of the coating is 40μm, and the local film thickness is not less than 25μm and 34μm respectively.   Fourth, aluminum alloy electrophoresis surface treatment film thickness:    aluminum electrophoresis surface film thickness is generally divided into three levels: A, B, S three levels.   Grade A: 12μm oxide film + 9μm electrophoresis film, the composite film thickness is not less than 21μm locally.   Grade B: 9μm oxide film + 7μm electrophoresis film, the composite film thickness is not less than 16μm.   S grade: 6μm oxide film + 15μm electrophoresis film, the composite film thickness is not less than 21μm.  Of course, customers can negotiate the film thickness with the manufacturer according to actual use needs, so that the aluminum profile can be used more targeted. Generally speaking, the thicker the film thickness, the better the protection of the aluminum profile substrate.
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