How to identify the quality of pre-painted aluminum coil?
The current aluminum curtain wall will use electrostatic spraying surface treatment, powder coating material mainly for polyurethane, polyethylene expansion resin, epoxy resin and other raw materials with high color retention, pigment, obtained dozens of different colors of spray powder, decorative the effect is also very good.
Coated aluminum coil is a coil of aluminum,
Acceptable quality coated aluminum coil, its surface can not have a significant indentation, holidays, through the coating damage, and ripples, scratches, bubbling are not allowed. These are easy to see, the most important thing is you have to look carefully coated aluminum coil color, if not pay attention, it is not easy to see, but when applied will affect the final decorative effect.
