... LHM: Our superfine ball mill production line can be used for producing: (1) Soft materials: calcite, marble, limestone, ... feldspar, α-alumina, glass fine bead, etc.(4) Metal powders: zinc powder, aluminum powder, iron powder, and molybdenum powder, etc.Features of Superfine ... . Different lining boards and grinding mediums are available for milling different materials, so as to guarantee the purity ...