Tips for identifying aluminum profiles
Of course, you can also put the same type of profiles in a comparison, of course, if the color is too obvious, super good to buy. Check whether the thickness of the aluminum profile is the same as the model marked.After the ultra hard material, smooth surface can be used to draw the profile, leaving a white scratch, aluminum gently wipe and observe, if cannot be erased, indicating the material may have quality problems, but instead if you can easily wipe that film thickness of material surface is qualified.
For the mechanical framework of aluminum on the market quality is not good, consumers can use a simple method to distinguish aluminum, so you use the time better.
First of all, to see whether the aluminum profile has obvious distortion, the surface is smooth and smooth, there is no crack or boldness of vision, scratches, burrs, and if found, some super good, do not buy.Secondly, it is necessary to carefully check the color of aluminum surface, whether there are different shades of color, there is color difference, that is, the quality is not pass.