3% mol. Yttria Stabilized Zirconia (8YSZ, YSZ-8) is high-temperature refractory ceramic material composed of zirconium oxide stabilized with 8% yttrium oxide. A variety of grades and purities are available suitable for dental restorations, structural ceramics for turbine blades and anti-ballistic and armour ceramics, and ionically conductive uses such as fuel cell electrolytes.