The original tea bags are simple square single bag shape. When this kind of tea bag is put into the water, the tea will be concentrated in the tea bag, and the brewing speed is very slow. However, because of its simple form and simple packaging machinery, it is still used by most businesses.
With the popularity of flower and fruit tea, ordinary tea bags, due to the small space, can not accommodate the expansion of fruit and petals, diamond tea bags began to appear on the market. As the name implies, diamond tea bag is like diamond, which is in tetrahedral structure and packed with food grade nylon. This kind of tea bag is exquisite in appearance and has a large space inside, which is conducive to the emission of fragrance. At the same time, it can also watch the shape change of tea. It is the mainstream trend of tea bag in the future. But the diamond tea bag processing cost is high, few factories can produce it. Therefore, most of them are used in high-end products. All the 7talks in China use diamond tea bags.
In addition, there are some shaped tea bags. On the basis of diamond tea bag, make some exaggerated adjustments. Although the shape of this kind of tea bag is novel and interesting, its processing is extremely complex and few brands adopt it.
