The dust bag is a key part of the operation of the bag filter, and the cylindrical filter bag is usually suspended vertically in the dust collector. The fabric and design of the filter bag should strive for efficient filtration, easy removal of dust, and durability. The dust bag is mainly used for dust collection. It plays a key role in bag type dust removal equipment and is the main core component. Dust filter bag is an effective dust filter material, with good ventilation energy, high dust removal efficiency, and a certain degree of acid and alkali resistance and heat resistance. In the weaving process, a multi-sided brushing is used to increase the thickness of the fabric and it is flexible. , Dust removal effect is very good, dust removal rate of up to 99.99%. Dust filter bag is to take polyester staple fiber as raw material, the service life is generally 4-6 times the glass fiber fabric, has good air permeability, high dust collection rate, capacity clear Ash, dust removal efficiency up to 98.99.