Planetary Ball Mills are used wherever the highest degree of fineness is required. . The PM 100 is a convenient benchtop model with 1 grinding station. . gypsum, hair, hydroxyapatite, iron ore, kaolin, limestone, metal oxides, minerals, ores,.
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .. SAG mills are autogenous mills but use grinding balls like a ball mill. A SAG mill is usually a primary or . May be used where product contamination by iron from steel balls must be avoided. Quartz or silica is commonly used.