Needle felt filter bag is the main filter material in bag filter. Non-woven needle punching process is adopted. Polyester staple fiber carded and laid nets are needled and felted on the fine fiber cloths with staggered fiber arrangement and even void distribution.
Acupuncture felt filter bags are often mixed with antistatic fiber, singeing, calendering, water repellent and oil-repellent impregnation according to the characteristics of dust from different manufacturers. The polyester needle felt produced has added an easy cleaning function to the original performance. (fast dust stripping), water repellent and oil repellent (anti-condensation), antistatic properties, forming a series of products.
Needle felt filter bags have the advantages of high void space, good air permeability, high dust collection efficiency, and long service life. Its moderate temperature rating, instant up to 150 °C, moderate acid and alkali resistance, and very good wear resistance. Acupuncture felt filter bag (dust removal bag) is a key part of the operation process of the bag filter. The fabric and design of the needle filter bag filter are as high as possible for efficient filtration, easy dust stripping and durability.