Since ancient times, Chinese people like tea, both adults and children. Tea drinking is a traditional Chinese culture. In the office, you can drink tea with customers and talk about business. At home, when you receive guests, you don't forget to make a good tea and have a chat. Chinese people also pay attention to tea when they drink tea. The packaging of tea is also varied. What kind of packaging bag is better for tea?
Tea is actually derived from tea trees. Generally, tea plants are planted in the south of the Yangtze River. When the harvest comes, people will remove the leaves and buds of tea trees, and then they can be sold after repeated dry frying and sun drying. Generally, when the tea is fried, it is better not to make tea immediately, because the longer the tea leaves are, the more fragrant they are and the more rich the flavor is. So the longer the days are sealed, the more expensive the tea will be sold.
Tea is generally divided into green tea, black tea, scented tea and so on. There are Pu'er, Tieguanyin, black tea and green tea on the market. Of course, in addition to these leaves, there are also flower tea, such as rose tea, jasmine tea, gold and silver flower tea, etc.
The longer the tea leaves are, the more fragrant they will be. Therefore, in the selection of packaging bags, the tea fragrance should be sealed completely without air leakage. Therefore, plastic PET / VMPET / PE is generally selected for tea packaging. Why VMPET (aluminum plating) is used? This is because tea has fragrance. Therefore, aluminum foil packaging bag must have aluminum and plastic composite. Aluminum barrier is very good, blocking odor and blocking air.
In addition, aluminum moisture-proof performance is good, the general tea can not contact with air moisture, once contacted, it will be humid deterioration, so the previous efforts of tea are also wasted. Therefore, tea generally choose PET / VMPET (aluminized) / PE aluminum foil packaging bag.
If you know something about tea, you will find that some black tea and black tea are packed in tin cans. Why? In fact, tea is also divided into two categories, one is the original tea, which generally pays attention to the original taste, so the packaging needs to be sealed as much as possible. Another kind of tea belongs to fermented tea, such as black tea. Its production is originally the product of "hair reaction" with air. Its taste is relatively fixed, so the packaging is not so particular.
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