stone roller,stone roll for paper machine

stone roller: 1,stone roller coverd with rubber 2,water absorption 3,this equipment is used in making paper 1,The nadtural granite shone roller is an important component on a paper machine for dewtering through pressing.it is featured as smoth surface,high hardness and strength,acid and alkali resistant etc. 2,The surface of the granite roller is smooth,and there are many fine holes which contribute to a good air permeability,so the wet paper are easy for off,this is