Compared to vacuum bag with ordinary bags, has a more superior performance, both to extend the shelf life of products, can also ensure that its taste the same.
This is because the bag has a special function.
Such as vacuum bag must have very good sealing performance, namely high separation performance of the air and moisture, cut off the components in water, oxygen and carbon dioxide, make the goods in a completely isolated environment protected, this kind of the material of high barrier property for co-extrusion film, has a relatively stable properties, to moisture and oxygen has very good effect.
Vacuum bag no harmful substances as additives in the manufacturing, will not damage to the goods, at this point, it is much better than ordinary plastic bags.
Aluminum foil bag]