There are many types of aluminum foil rolling defects

There are many types of aluminum foil rolling defects, but the main ones are characterized by holes, pinholes, roll eyes, slits, and airways.

Characterized by surface condition, oil stains, uneven gloss, vibration marks, tension lines, water spots, bright spots, and shiny spots.

The main issues that affect subsequent processing are poor plate shape, wrinkles, folds, and curling.

Thickness difference characterized by size.

In fact, the only defects unique to aluminum foil are pinholes, while other defects can also appear in aluminum sheets and aluminum coils, but the severity of their manifestations is different.