The Laboratory scale Ball Mill is mainly used for various grind able materials dry or wet type in Chemical, Pharmaceuticals, Herbals and Catalyst Industries for super fine micron size grinding. Shree Bhagwati Mechtech (India) Pvt. Ltd. Laboratory Scale Ball Mill is made from all the contact parts in S.S.316 non contact parts in S.S. 304.The ... Low-chromium grinding ball Ecomax Cast is another type of grinding ball. It is cost effective and only needs a low initial investment. It is a low- chromium cast steel ball and is available in four different diameters to suit different ball mills. Diameters of grinding ball available range from 50,8 to 88,9 mm.