PHARMAZIRC®

Pharmazirc® is a Yttria partially-stabilized zirconia ceramic specially designed for our products.

Its carefully controlled chemistry and microstructure imparts excellent resistance to corrosion by both acid and alkali cleaning solutions and to the hydro-thermal destabilization that happens with other zirconia ceramics during steam sterilization.

This material is also non-cytotoxic and does not release particles. It is easy to clean due to the low porosity. It has high wear resistance, a low friction coefficient and accepts highly smooth surface finishing as a result of its very fine grain size and low porosity.

Pharmazirc® Microstructure

Pharmazirc® Microstructure

Mechanical, physical and electrical properties

Values at 20°C

PropertiesUnitPharmazirc®
Color/White
Density103 kg/m3> 5.8
Porosity% volume0
Thermal expansion coefficient (20 – 1000°C)10-6 /°C10
Thermal conductivityW/m.°C2.93
Vickers hardnessGPa13
Bend strengthMPa800 – 900
Young’s ModulusGPa200 – 205
Fracture toughness (K1C factor)MPa.m1/27 – 8
Electrical resistivityΩ.cm> 1010

The properties quoted above are typical and should be used for guidance only. They vary somewhat with method of manufacture, size and shape and advice should be sought for critical applications.

Food and pharmaceutical products contact

Pharmazirc® complies with :
  • Directive 80/500/EEC amended
  • FDA regulation
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