Material : polyurethane、PU materials、alloy Rubber blade、PU blade , urethane blade Type: H TYPE、N TYPE 、P TYPE 、I TYPE *Polyurethane cleaner is installed on the surface of discharge pulley, with scraper pressing the belt at certain angle and pressure. *As the first stage of multistage cleaning system, the primary polyurethane cleaner can clear away most of the sticky materal on the belt, only a layer of sticky power left. *Unique design of this kind of belt cleaner can provide simple installation and maintenance and low cost, prolonging belt service life.