Planetary Ball Mill PM 100 - RETSCH - highest finenessPlanetary Ball Mills are used wherever the highest degree of fineness is required. . In addition to well-proven mixing and size reduction processes, these mills also . electronic scrap, fibres, glass, gypsum, hair, hydroxyapatite, iron ore, kaolin, . Material of grinding tools, hardened steel, stainless steel, tungsten carbide,.size of balls in mills for crushing scrap steel,What is a ball mill? What are its uses and advantages? - QuoraThe ball mill is a key equipment to grind the crushed materials, and the ball mill is . Ceramic balls, stainless steel balls, and flint pieces are often used as . But Ball is very energy inefficent in size reduction operation especially in the . coarse material is recycled back to the VRPM and the fines go to the ball mill as feed.
size of balls in mills for crushing scrap steel