Industrial Chemicals #4832805

Aluminum ceramics are the most widely used ceramics because they offer superior wear and corrosion resistance. Additionally, the raw materials are plentiful, so the powders are low-cost. Compared to other ceramics, aluminum oxide is the lowest cost with one of the highest hardness properties. Aluminum is gas-tight with no open porosity. It is diamond ground to achieve polished surface finishes. Common applications include:Sand Blast NozzlesMechanical SealsMud Pump LinersMicrowave ComponentsGrinding MediaTextile and wire guidesOil and Gas choke beansElectrical Insulators

Silicon nitride offers one of the best combinations of toughness and hardness of commercially available ceramics. In addition, its low thermal expansion coefficient offers superb thermal shock resistant compared with most other ceramics. Complex geometries can be made with sintered material. The material also exhibits low density, high temperature strength, excellent wear resistance and good facture toughness. Common applications include:Diesel engine glow plugsRocker arm padCeramic ball bearingsCheck Valves for Oil Well ApplicationsResistance Welding FixturesSand blasting nozzlesMWD wear parts in Oil Well DrillingPoppet valvesGuide rollers for steel rods and cableMolten Aluminum Nozzles and trimValve Trim

Zirconium Oxide (Zirconia) is the toughest ceramic commercially available. We actually have a hammer made out of this ceramic. This high-strength material exhibits excellent wear and corrosion properties. The material can also be HIP'd for added strength and edge retention. Zirconia exhibits a very low coefficient of friction and is available in MgO or Yttria stabilized grades. Common applications include:Ceramic razor bladesCatalyst Extrusion DiesSucker Rod Balls and SeatsWear BushingsValve TrimOrifice platesGuide Rollers and sleeves in metalComputer drive components

Boron Nitride is a high temperature, lubricious ceramic. It offers excellent electrical resistance, chemical stability and wet ability. Common applications include:Electric insulators in PVD and CVD Vacuum Coating chambersBreak Rings for Horizontal Steel CastingEvaporator Boats for Aluminum MetallizationComponents for semiconductor manufacturing equipmentNeutron absorbersBoron dopant for Silicon waferElectronic component assembling jigsSpacers for glass melts and nonferrousFeedthroughs for high voltage equipmentNozzles for nonferroud metalsCrucibles for crystal growthDiffusion source wafers