Aluminium Foil Laminating consists basically of combining a web or sheet of aluminum foil with one or more other materials, such as paper and plastic films, using Plastic Extrusion bonding. The resulting product is a sandwich of three or more layers, e.g., foil/ Plastic Extrusion material /and another material. For the most part, aluminum foil is laminated on web-fed, rotary equipment. which also frequently includes a coating unit for coloring or otherwise pre-coating the aluminum foil.