Which ACM
Size ACM must be standardized and neat, which have a uniform thickness, smooth surface, and direct drive. The product can not stand when placing the board on the ground, lifting table anyway, it should not be too soft. Tear up the protective film on the surface of the product to monitor, the paint should be clean, no color, spots or scars, uneven gloss, that do not have paint spills and other surface defects.
See thickness According to national standards, the thickness of the outer wall panels should be 4 mm thick ACM should be 0.5 mm; inner plate thickness is 3 mm aluminum plate should be 0.2 mm thick; exterior wall aluminum plate is considerably harder than the inner wall of the aluminum panel.
Perform comprehensive quality identification in accordance with national standards.Because prices for the main raw material of aluminum composite panels may, together with equipment depreciation, labor management costs as well as production gains, price has a certain bottom line. Currently, the production gains ACM almost down to the lowest, which obviously of low price is the most important feature for fake and shoddy products.