Mainly to measure the size of aluminum-plastic composite panels, to see if these dimensions meet national and international standards.
The international standard for aluminum-plastic composite panels is: 3mm for interior wall panels, 4mm or more for exterior wall panels, and the thickness of aluminum must be 0.5mm .
Meeting the above requirements is to meet international standards and vice versa. In this point, pay attention to the standards of the measurement tools, as well as the relevant industry standards.