Heat seal coated foil is widely used in sealing packaging of packaging containers, such as bottles, cups, boxes, bowls, etc., food, daily necessities, cosmetics and other industries. The alloy number used for heat sealing aluminum foil is 1235, 8079 and 8011 aluminum foil. When sealed with aluminum foil, it has the characteristics of airtight, moisture-proof, light-shielding, hygienic, long storage time, and …