MSE Supplies LLC is the U.S. distributor of CHEMCO Beads. CHEMCO is a world-class ceramic beads and balls producer. All our products' formulations contain more or less Zirconia (ZrO2), which is an advanced ceramic material with high density, high hardness, and excellent wear and corrosion resistance. The CHEMCO YTZP yttria-stablized zirconia (YSZ) micro beads and micro milling media are widely used across many industries in high volume manufacturing using bead mills. Large quantities of YTZP zirconia microbeads are in stock in our warehouse located in Tucson, AZ for immediate delivery to anywhere in the U.S., Canada and Mexico.