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Zirconia Labware

MSZ (Magnesia-Stabilized Zirconia)

Transformation toughened zirconias such a Magnesia-Stabilized Zirconia have small precipitates of tetragonal phase which are formed inside of the cubic phase grains. These precipitates transform from the meta-stable tetragonal phase to the stable monoclinic phase when a crack attempts to propagate through the material. This causes the precipitate to expand and blunt the crack tip promoting toughness.MSZ can be either ivory or yellow-orange in color due to differences in preparation of the raw material.

Ivory colored MSZ has a higher purity and offers slightly better mechanical properties
MSZ is more stable in high temperature (220C and above), high moisture environments than YTZP – where YTZP typically degrades. MSZ has a low thermal conductivity and CTE similar to cast iron to prevent thermal mismatch in ceramic to metal assemblies. Due to the transformation toughening, STC’s partially stabilized MSZ provides excellent strength, toughness, wear, abrasion, and corrosion resistant materials to meet the severe service needs of many industries.

Prime Features
High mechanical strength High temperature resistance
Very high wear resistance Very high impact resistance
Very low thermal conductivity Thermal expansion suitable for ceramic-to-metal assemblies
High chemical resistance (acids/bases)
Typical Applications
Deep well, down hole components Wear parts
Structural ceramics Precision valve seats and seals
Roller guides for tube forming MWD tools
Bushings Wear sleeves
Pump pistons Pump sleeves
Spray nozzles Ceramic bearings

CSZ (Ceria Stabilized Zirconia)

Consider CSZ a top candidate when choosing a material for high strength and toughness in moist, challenging environments. With high flexural strength and very high compressive strength this material is ideally suited as a structural component in sensors, instrumentation, probes, pumps and fluid control systems.

Prime Features

CSZ offers a more robust Stabilized Zirconia material when low temperature degradation properties are in question, displaying a reduced vulnerability of molecular water attack compared to YTZP or MSZ, The ability of this material to withstand high temperature, wet operating conditions elevates its performance above other ceramic materials.

Typical Applications
Instrumentation Sensors
Seals Bearings
Desalination plant components Steam system instrumentation
Boiler probes Underwater sensors
Pump pistons Medical instrumentation
Pump liners Valve seats
Emission sensors Marine system components
Chemical pumps Fluid metering pumps
Fluid control valves Chemical analysis fluid control systems