Dot aluminum foil tea bag refers to the tea bag made of dot paper material in the inner layer and aluminum foil material in the outer layer. This kind of packaging bag has certain moisture-proof, anti-oxidation and fresh-keeping properties, which can protect tea from the influence of moisture, light and oxygen, and extend the shelf life of tea. The dot paper material has a certain breathability, which can maintain the freshness and aroma of tea. The aluminum foil material has excellent moisture and oxygen resistance, which can effectively block the entry of moisture and oxygen and prevent the tea from moisture and oxidation. In addition, the aluminum foil material can also block the outside light and protect the color and aroma of the tea. The dot aluminum foil tea inner bag usually adopts the heat sealing process, which can effectively seal the bag and prevent the quality of the tea from being polluted by the outside world. At the same time, it also has a certain tear resistance and puncture resistance, can protect the tea bag is not easy to damage. In general, polka dot aluminum foil tea inner bag is a common tea packaging material, with good preservation performance and protective effect, can help maintain the original quality and taste of tea.

There are several reasons to use polka dot aluminum foil for tea bags:

Moisture-proof performance: The dot aluminum foil has good moisture-proof performance, which can effectively block the outside humid air into the tea bag, maintain the dry state of the tea, thus extending the shelf life of the tea.

Anti-oxidation performance: the dot aluminum foil can effectively prevent the penetration of oxygen, reduce the oxidation reaction caused by tea contact with air, and maintain the freshness of tea and the effective ingredients in tea.

Protect the aroma: the dot aluminum foil can effectively block the external odor and light, prevent the loss of tea aroma, and maintain the aroma and taste of tea.

Tea appearance protection: the dot aluminum foil can provide better physical protection to avoid the shape deformation or damage caused by pressure, extrusion or friction of the tea, and maintain the appearance of the tea.

Visibility: Polka-dot aluminum foil inner bags usually have transparent Windows that allow consumers to visually observe the appearance, color, and quality of the tea. In summary, polka dot aluminum foil, as a material for tea inner bags, has good moisture-proof, anti-oxidation and protective properties, which can maintain the quality and taste of tea and keep tea fresh for a longer time.