What is a three prevention filter bag？

"Three prevention cloth bag" refers to a filter bag with three special effects of water repellency, oil prevention, and static electricity prevention. Its main substrate is made of polyester needle felt material.

"Three proofing" refers to the fact that the three proofing cloth bag has waterproof, oil resistant, and antistatic functions, and is mainly suitable for working conditions that contain a large amount of moisture. Dust also has flammable and explosive components. During the production process, the chemical fibers of the needle felt are mixed with conductive fibers or stainless steel conductive materials. The three prevention and dust removal cloth bag has certain advantages, namely, smooth surface, easy dust removal, and reduced running resistance.