Food wrapping aluminium foil is more commonly used in the field of food packaging. It is a soft metal film, which has the advantages of moisture resistance, airtight shading, fragrance retention, non-toxic and tasteless, and long-term preservation of food. Packaging butter with aluminum foil can ensure the shelf life of butter It is 2-3 months longer than tin foil. The thickness of aluminum foil in general food packaging bags is only 6.5μm (micrometers). The thin aluminum layer has the functions of waterproofing, maintaining food flavor, preventing bacteria, and preventing external pollution. The favor of packers.
The food wrapping aluminium foil for packaging bags has 1000 series, 3000 series and 8000 series products, mainly including models 1060, 1100, 3003, 8011, 8021, etc. According to the requirements of the packaged food, choose the degree of hardness of the aluminium foil alloy, that is, the alloy state. The commonly used states are H14, H16 and H18.
Generally, the thickness of food wrapping aluminium foil for packaging bags is between 0.03mm-0.1mm. Using aluminum foil packaging bags to package food has the following advantages, let’s understand together.
1, The surface of the aluminum foil is clean and hygienic, which can effectively prevent the growth of bacteria or microorganisms.
2, Aluminum foil is a kind of non-toxic and tasteless material. It can directly contact with food without any hazard to human health, and it will not cause food to have any peculiar smell.
3, If the aluminum foil packaging bag can effectively block the influence of external light and air, it can ensure that the food will not dry, shrink, and there will be no oil penetration.
4, Aluminum foil has good plasticity, so it can be used to package products of various shapes, and it can also be arbitrarily made into containers of various shapes.