Aluminum foil bag is a common and important packaging material. The three-sided sealing aluminum foil bag is mainly made of the special material of aluminum foil. Aluminum foil has good barrier performance, This feature makes the three-sided sealed aluminum foil bags particularly suitable for packaging products with high requirements for preservation conditions, such as food, medicine, cosmetics, etc. It has the following advantages:
(1) Light reflection and luster are good. Both heat and light have high reflection ability, and its reflectivity reaches 83% ~85%, so the exhibition and sales effect is excellent.
(2) Good mechanical characteristics, which can meet the use of automatic packaging machinery.
(3) Good molding and pressing properties of secondary processing.
(4) Good printing and compound adaptability. Easy to color, easy to fit with paper, plastic, etc.
(5) Non-toxic, not easy to produce public hazards.
(6)Can effectively block the influence of light, oxygen, moisture and other external factors on the goods in the package.