When the film-covered needle felt is used at the beginning, the pressure loss is higher than that of the ordinary filter material, but at the first operation, the pressure loss changes with the increase of the use time, but the pressure loss of the ordinary filter material will increase with the use of time. And getting bigger.
Film-covered needle felt product features:
1. “Surface filtration” greatly reduces the phenomenon of paste bags;
2. Film-covered needle felt has excellent filtration efficiency;
2. Film-covered needle felts have good cake peeling properties.
