... , high density , long performance life; Made of Zirconia, formally Y-TZP ( Yttrium Stabilised Tetragonal Zirconia Polycrystal MaterialY-TZP has fine grain size ... , disc, plate, die, tool, , milling ball, nozzle, valve, pillar, and cutter etc. Main property:Density (g/cm3) 6.05Grain size (nm ...