Aluminum foil is used in food packaging bags because of its good barrier properties. The oxygen transmittance of aluminum foil is extremely low, which can effectively block gases in the air that can easily cause food to deteriorate, such as oxygen, gas, etc. And aluminum foil is opaque and has good light-shielding properties, preventing certain foods from discoloration or deterioration due to exposure to light. Aluminum foil itself has extremely poor corrosion resistance and is easily corroded by acidic or alkaline substances.
In addition, 25KG aluminum foil bags have strong plasticity and can be made into a variety of bag types, such as three-side sealing food packaging bags, four-side sealing bags, eight-side sealing bags, self-standing zipper bags, special-shaped bags, etc. Different bag types The aluminum foil packaging bags can be applied to different types of food packaging.
