How to choose the material of tea packaging bag?
Tea leaves are a product that needs a long time of storage in a dry, light-proof daily environment, Therefore, tea packaging bags are often used in aluminum foil bags,
Whole Material of an aluminum foil bag: glossy aluminum foil composite material (PET/AL/PE, PET/VMPET/PE), matte aluminum foil composite material (MOPP/AL/PE, MOPP/VMPET/PE).
Why does it need aluminum foil material? The surface of aluminum foil is very clean and hygienic, no microorganisms can grow on its surface, and it can be in direct contact with food without any worries that can endanger human health. As an opaque packaging material, it has good protection for tea leaves exposed to sunlight.
It is a good packaging material, no matter the high temperature or low temperature, aluminum foil will not have a phenomenon of infiltration. Air and moisture permeability are low, which can protect tea leaves well.
The aluminum foil itself is not volatile, it itself and the packaged food will not dry or shrink, the packaging material is tasteless and odorless, and will not make the packaged food have any odor. Stable performance, suitable for storage in various high and low-temperature environments, and has certain corrosion resistance.