Alpha Chem is manufactures,exporter & suppliers Roller Ball Mill. Roller Ball Mill : Protective Cover Bench mounted models Variable speed Safety interlock guard Range of mill pots Range of charges Timer (Optional) Particularly suitable for: Ceramics, Chemicals, Cosmetics, Pharmaceuticals, Plastics, Minerals, Paint, Glass, Three standard models each with variable speed control and fitted with electrically interlocked roller guards to prevent access to the rollers whilst the mill is in operation. Supply voltage for all three models is