How to distinguish the quality of alloy aluminum plate

1. It is necessary to see whether the alloy aluminum plate has obvious deformation, whether the surface is smooth and flat, whether there are cracks or disks, scratches, burrs, if found, it is best not to buy. Aluminium foil for packaging

2. Carefully check whether the surface color of the alloy aluminum plate has different color shades, and the color difference indicates that the quality is not enough. Of course, it is also possible to group Outlines of the same type together for comparison. Of course, if the color difference is too obvious, it is best not to buy. Check whether the section thickness of the alloy aluminum plate is the same as the model.

3. You can use a smooth hard object to scratch the surface of the alloy aluminum plate, leaving white scratches. Gently wipe the aluminum alloy sheet and observe with your hand. If it cannot be erased, the material may have quality problems, but if it can be easily erased, it indicates that the oxide film thickness on the contour surface is acceptable.

For the poor quality mechanical frame alloy aluminum plate on the market, consumers can use a simple method to identify the alloy aluminum plate, so that they can use it better. Packaging aluminum foil manufacturers