... binder in pressing process 3.Spiral pressure Press machine (for caustic lime,magnesium,bronze dust)Our dry powder ball press machineis widely ... can produce various briquettes of materials and powders, including lime powder,cryolite,alumina,fertilizer,powdered mangnesium,bauxite,aluminum ash,powder ... ball press.Picture of equipments:Final Products: Press machine (for caustic lime,magnesium,bronze dust)