... social benefits.Ball press machine is mainly used for high-density metal scrap (scrap iron, copper scrap, aluminum scrap ... case of cylindrical cakes of high-density block (weight 2-8 kg), the cake density of up to 5T/ ... the three high characteristics : high density ,high strength ,high hardness, Because of the mandatory squeeze rollers, so the products have high density, high strength, high hardness, ...