According to the processing status, aluminum foil can be divided into plain foil, embossed foil, composite foil, coated foil, colored aluminum foil and printed aluminum foil.
① Plain foil: aluminum foil without any other processing after rolling, also known as light foil.
② Embossed foil: aluminum foil with various patterns pressed on the surface.
③ Composite foil: composite aluminum foil formed by laminating aluminum foil with paper, plastic film and paperboard.
④ Coated foil: aluminum foil coated with various resins or paints.