Grinding Media | MillenniTek
Grinding Media. Millenni TEK manufactures the highest quality grinding media from high purity advanced ceramic materials. Banded satellite spheres and radius-end cylinders are offered in a range of standard sizes from 3/16" to 1.5". Standard material formulations include 96% alumina, 99.8% alumina, yttria partially stabilized zirconia, magnesia partially stabilized zirconia, and silicon ...