The use of catering aluminium foil in barbecue stalls is increasing, we will use a kind of tin foil in barbecue, popularly speaking, tin foil is called aluminum foil paper. The catering aluminium foil selected for barbecue aluminum foil paper is required to be food-grade and have good airtightness. The commonly used materials are 8011 du papier d'aluminium et 8011 tin foil …