1. It is to see whether 6061 aluminum plate has obvious deformation, whether the surface is flat and smooth, whether there is crack or rough, scratch or burr. If it is found, it is better not to buy.
2. Carefully check whether the surface of aluminum alloy has different color. Color difference means the quality is unqualified. Of course, you can also compare the same type of profiles together, of course, if the color difference is too obvious, it is better not to choose. Check whether the section thickness of the alloy aluminum plate is consistent with the marked model.
In 3, you can use the surface alloy aluminum plate scratched by smooth hard things, wipe a white and 6061 aluminum plate gently by hand, observe, if you can't wipe it off, it indicates that there may be a problem with the quality of the material, but on the contrary, if you easily wipe it off, it indicates that the thickness of the oxygen film on the surface of the profile is qualified.
For the mechanical frame aluminum alloy plate with poor quality in the market, consumers can use a simple method to identify the aluminum alloy plate, so that you can use it better.
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