Zirconium (IV) Oxide
99% pure (ex Hf), -20 mesh +50 mesh
99.5% pure (ex Hf), -325 mesh D50: 15 - 20 μ
99.5% pure (ex Hf), D50: 3.0 - 6.0 μ
99.5% pure (ex Hf), D50: 1.0 - 2.5 μ