Everything you need to know about clinker/cement Grinding
WEBBall Mill. Cement Lafarge max R5% >25mm, Holcim <50mm. Standard offer from mill manufacturer is R5% >30mm; Raw Meal max R1% > 30 mm (Lafarge). Holcim "<25 – 50mm". ... Pack set has become a serious problem in recent years because of the cement industry's use of large diameter mills which causes a higher material surface .