... mainly used for anhydrous materials of non-ferrous and ferrous mineral powder briquette /ball making system before the smelting furnace, such ... power, Lead Zinc Ore, steel slag, aluminum ash, Si-Mn mineral powder, bauxite refractory, nonferrous metal power, refractory matter, ceramic filter ... and size25×34×13mm, singe piece is 17g high efficient mineral power ball press machine