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China is the hometown of tea, and tea has a history of thousands of years. But with the changing times, teabags have attracted more and more people's attention with their simple and efficient features. The popularity of teabags is bound to be accompanied by the popularity of tea filter paper.As the most important packaging material for teabags, the selection of teabag filter paper is very important, it is related to the quality of tea bags. During the brewing process, the teabag filter paper must not be broken, and the active ingredients in the tea must also quickly diffuse into the teacup. This requires that the tea bag filter paper must have the following characteristics:1. Odorless and non-toxic, in line with international food hygiene requirements.2. The pore size requirements of the tea bag filter paper meet the standards. The active substances in the tea must diffuse out quickly.3. Tea bags will not crack when brewed at high temperatures.Only by satisfying the above points can teabags develop better and better.
Teabag is the most popular way of drinking tea in the world. Although history is not long, it develops rapidly. The current sales volume has accounted for about 50% of the world's tea trade volume. Tea in bags is the most popular in developed countries in Europe and America. According to reports, more than 80% of the tea in Canada, Italy, Holland, France, and other countries is consumed in the form of tea in bags, and the United Kingdom and the United States have also reached about 80%. However, due to the late development of Chinese teabags and the influence of traditional tea-drinking habits, the consumption of teabags in China only accounts for about 2% of the total sales of tea. With the improvement of people's living standards and the diversification of consumption forms, teabags are gradually favored by more and more people because of their quantitative, hygienic, convenient, and fast characteristics.  Tea filter paper is the most basic packaging material for teabags. According to the different sealing forms, it can be divided into heat-seal tea bag filter paper and non-heat-seal tea bag filter paper. Heat-seal tea filter paper is mainly composed of one or more polypropylene fiber, PET fiber, nylon, and plant fiber. In recent years, some companies have also used corn fiber to prepare heat-sealed tea bag filter paper. Non-heat-seal tea bag filter paper is mainly made of hemp pulp or hemp pulp and wood pulp. Because its raw material is completely made of plant fiber, it has soft and uniform paper quality, high dry and wet strength, fast water filtration speed, non-toxic, no peculiar smell, and can be used as a filter paper. Biodegradable, it is a green environmental protection product that meets food hygiene standards. At present, the international market is mainly dominated by non-heat-seal tea bag filter paper.
The Zhejiang Provincial Brand Construction Federation issued a notice on the approval of the "Made in Zhejiang" standard "Non-heat-seal tea bag filter paper", and the heat-seal tea bag filter paper" standard drafted by the company has become the "Made in Zhejiang" standard. Effective from November 1, 2019.