1. It is necessary to check whether the alloy aluminum […]
1. It is necessary to check whether the alloy aluminum plate is obviously distorted, whether the surface is smooth and flat, whether there are cracks or glamour, scratches, and burrs. If you find any, it is best not to buy it.
2. It is necessary to carefully check whether the surface color of the alloy aluminum plate decorative materials has different shades of chromatic aberration. If there is a chromatic aberration, it means that the quality is not good enough. Of course, you can also put the same type of profiles together for comparison, of course, if the color difference is too obvious, it is best not to buy. To check whether the section thickness of the alloy aluminum plate is the same as the marked model.
3. You can scratch the surface of the alloy aluminum plate with a smooth hard object, which will leave a white scratch. The alloy aluminum plate can be gently wiped and observed by hand. If it cannot be wiped off, the material may have quality problems, but on the contrary, if It can be easily wiped off, indicating that the thickness of the oxide film on the surface of the profile is qualified.
For the mechanical frame alloy aluminum plates of poor quality on the market, consumers can use a simple method to distinguish the alloy aluminum plates, so that you can use them better.