Zirconium dioxide (ZrO2), sometimes known as zirconia (not to be confused with zircon), is a white crystalline oxide of zirconium.
ZO 115 (OTTO) Zirconium oxide nanopowder, APS 20nm, 99% - used as an additive in the production of piezoelectric crystals, in high-frequency induction coils and in ceramic glazes.