Everything you need to know about clinker/cement Grinding
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". For quartz, feed must be precrushed to <10mm. Note that 90mm are required to crush quartz fed at <3mm. Quartz demands a high crushing energy AND a high grinding energy. Coarse …
