Aluminum foil has good barrier performance, which can effectively block the influence of light, oxygen, moisture and other external factors on the goods in the package. Aluminum foil bags are very commonly used and widely popular in food packaging, and it has the following advantages:
(1) Good heat insulation, airtight, impermeable, many ordinary packaging bags are easy to melt when encountering hot things, but also easy to be vulnerable to bacteria. The aluminum foil bag with the sealing machine can effectively prevent the goods in the bag from damp, but also can prevent the invasion of bacteria, its shape is stable, not easy to be affected by environmental factors.
(2) Using the shielding method for part of the aluminum plating, can make any pattern according to the needs of customers, can also choose a transparent window. Customers can look at the items in the bag through the sealing machine, and the metallic luster it has can be reflected in the sun, making the printing color more exquisite, giving people a higher appreciation value.
(3) With the fragrance preservation performance, it can better preserve the fragrance of food, increase the taste of food, and is non-toxic to give people a safe guarantee. The performance of aluminum foil bag is reflected in many aspects, it is usually used as a food packaging bag and environmental performance is better.