[China Packaging Bag Trading Network] People who usually have the habit of drinking tea must also like tea packed in tea bags. Because tea bags are convenient and hygienic, they will not drink tea residues after drinking tea. Just throw the tea bags after use. It can be said that it is very convenient, so what materials are used for the tea bags we drink every day?
1. Aluminum foil laminated bag
The aluminum foil laminated bag is beautiful and generous. The aluminum foil laminated tea packaging bag can be treated with vacuum or nitrogen filling or deoxidizer. With the packaging carton or synthetic paper can, the storage of tea can be improved against moisture, gas, light and oxygen. Solved, and then stored at low temperature is the most complete method of preservation of tea.
2. Nitrogen filling or vacuum packaging
Vacuum packaging shrinks because the packaging bag, in order to avoid squeezing collision and aesthetic reasons, it is advisable to add outer packaging protection. Nitrogen-filled packaging will swell the bag and cannot be squeezed to avoid bursting. Both need to be repackaged, and the preservation has good results, but the investment is more expensive.
3. PE bag (plastic bag)
Polyethylene bags, or PE bags, are currently widely used packaging materials. Generally, there are two types of low-density PE bags and high-density PE bags. Low-density PE bags have greater moisture permeability and greater permeability, while high-density PE bags are smaller. The advantages of PE tea packaging bags are economical, cheap, and good moisture resistance. The disadvantages are that they are light-transmitting and have poor gas resistance, and cannot be used individually for tea packaging. It is best to use a polyethylene bag for packaging. It is better to add a layer that can block light and have low air permeability, such as synthetic paper cans, tin cans, etc .: PE bags have high air permeability, and it is difficult to solve the oxygen problem in the bag, which is not ideal. The packaging material.
4. Synthetic paper bag
Synthetic paper bags are currently the most widely used packaging materials. Their advantages are economical, lightweight, and beautiful. Only breathable and moisture-permeable are still high. It is not suitable for separate use. It is best to use PE bags or aluminum foil laminated bags for inner packaging.
The small tea bags are actually made from so many bags, which can be said to be very hard. If you are interested in bags, you can go to the China Bag Trading Network. There are a variety of bags resources here.
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