CGF Intelligent Impact Crusher - TRUSTON Intelligent CrusherCGF series impact crushers are widely applied in metallurgy, building materials, chemical industries. They are ideal for crushing medium hard brittle materials of coarse, secondary and fine crushing stages, such as line, dolomite, sandstone, graphite, rock salt, granite and basalt. CGF series impact crusher have high.impact crusher crusuing sandstone,quarry fines minimisation - EIG Conferencesrate to vertical shaft impact crushers. Table 3 indicates the fines content generated at each crushing stage; the proportion of fines produced varies with the type of rock and also the type of crusher used. Sandstone quarries: Sandstone quarries mainly produce crushed rock aggregate and roadstone (coated and uncoated.