This product is made of two or more kinds of high temperature resistant fibers mixed with layered composite needling, acid and alkali resistance is good. The wear resistance, flexural resistance and peeling strength of FMS filter material are obviously improved compared with that of glass fiber filter material. The filtration speed can reach more than 1.0m/min and the running resistance is low. FMS filter material is widely used in iron and steel, non-ferrous smelting, chemical industry, carbon black, building materials, power and other departments.