Alu alu bottom foil 8011 8021 8079 0.02-0.075mm are used as the base material for making laminated film in pharmaceutical packaging. At present, aluminum-plastic composite film is commonly used in medicine packaging industry, such as cellophane and aluminum foil and polyethylene composite (PT/AL/PE), polyester and aluminum foil and polyethylene composite (PET/AL/PE), that is, aluminum foil and plastic film to stick by …