Tea bag filter paper bag is a specialized filter paper bag used for packaging tea, usually used for packaging tea bags. This filter paper bag requires uniform fiber tissue, no creases or wrinkles, and no odor to ensure the quality and taste of tea. The main purpose of tea bag filter paper bag is to improve the extraction rate of tea, fully utilize the tea powder, and facilitate brewing and carrying.

Food grade filter paper is widely used in the food industry. It can be used for filtering during the processing and production of food oil, removing impurities and odors from the oil, making the oil more pure and with a better taste. In addition, food grade filter paper can also be used for filtering during the processing and production of fried foods, to prevent impurities generated during the frying process from contaminating the food. In the production of liquid foods such as beverages and sauces, food grade filter paper also plays an important role in ensuring the clarity and taste of the products.