Grinding Media amp; Grinding Balls | Union Process, Inc.
Diameter depending on the material, ranging from mm to 2 mm for small media mills, up to 1/8 to 1 for traditional Attritors and up to #189; to 2 for ball mills Composition metallic grinding media like carbon steel, forged steel, stainless steel or chrome steel grinding balls are best for some applications, while others require nonmetallic media made of alumina, ceramics, glass, silicon carbide, zirconium oxide