Zirconia has good chemical properties, it is a weakly acidic oxide with sufficient stability to alkaline solutions and many acidic solutions (except for hot concentrated H2SO4, HF and H3PO4). The crucible made of ZrO2 can smelt various metals such as potassium, sodium, aluminum and iron. It is also stable to sulfides, phosphides.

The molten alkali silicate and the molten silicate containing an alkaline earth metal have an erosive effect on the sintered ZrO 2 at a high temperature. The strong base reacts with ZrO2 at a high temperature to form the corresponding zirconate. At high temperatures (above 2220 ° C), ZrO2 and carbon react to form ZrC, which reacts with hydrogen or nitrogen to form the corresponding hydride or nitride.

Since zirconia and its composites have certain unique properties under different conditions (such as semiconductivity, sensitive functionality and toughness), ZrO2 has been mainly used as a refractory material since the 1980s, with the development of electronics and new materials, now zirconia has found many applications and used as electronic ceramic, functional ceramic and structural ceramic.


  • High chemical stability
  • High thermal expansion (α=11 x 10-6/K)
  • Ability to conduct oxygen ions
  • Greater corrosion and impact resistance than Alumina, or Tungsten Carbide
  • Excellent electrical insulator


  • Yttria-Tetragonal zirconia polycrystal (Y-TZP)
  • Magnesia Partially Stabilized Zirconia (M-PSZ)
  • Yttria-Fully stabilised zirconia (Y-FSZ)


  • Wire forming/drawing dies
  • Seal Rings, Bearings
  • Extrusion dies
  • Welding nozzles & pins
  • Crucibles for foundry
  • Dispersion and Milling Media
  • Plungers and valves for dosing pumps
  • Surgical components

Related Products

  • Zirconia Tube
  • Zirconia Extrusion Die
  • Zirconia Plunger
  • Zirconia Seal Ring
  • Zirconia Nozzle
  • Zirconia Wire Guide
  • Zirconia Valve Component
  • Zirconia Refractories