Appearance characteristics of color-coated coils

When purchasing color-coated coils, consumers should carefully observe their appearance characteristics, including:

1. Color: The color of the color-coated coil should be uniform and consistent, without color difference.

2. Coating surface: The coating should be flat and defect-free, and there should be no obvious bubbles, wrinkles and other defects on the surface.

3. Edge: The edge of the color-coated coil should be neat and burr-free, and the cut should be smooth.

4. Thickness: The thickness of the color-coated coil should meet national standards and should not be uneven.

5. Weight: Consumers can check whether the weight of the color-coated coil meets the standard by weighing it.