... process 3.Spiral pressure Press machine (for caustic lime,magnesium,bronze dust)Our dry powder ball press machineis ... can produce various briquettes of materials and powders, including lime powder,cryolite,alumina,fertilizer,powdered mangnesium,bauxite,aluminum ash ... The equipment are widely used in steel mill,lime plant,metallurgy,building materials,furnace materials, and briquette of magnesium ...