... ), and 86Mpa, (174KN) three series, according to bulk density are divided into: low-density, medium density, high-density. Product specifications are :12-18 mesh ,12 ... /T5108-2006 ) MAIN TECHNICAL PARAMETERS AND INDEX SpecificationBulk Density(g/cm3)Apparent Density(g/cm3)Close Pressure(Mpa)PERCENTAGE OFCRUSHING (%)SPHERICITY ROUNDNESSHIGH ...