granite press roller

granite press roller The natural granite press roller is a improtant component on a paper amchine for dewatering through pressing . It is featured as smooth surface, high hardness and strength, acid and alkali resistant etc. The surface of the granite roller is smooth, and there are many fine holes which contribute to a good air permeability, so the web paper are easy to fall off, this is especially conductive to paper receiving operation. Therefore, this kind of roller is