Key properties of aluminum oxide (Al2O3):

• High hardness;
• High thermal conductivity;
• High corrosion resistance;
• Low density;
• Robustness at high temperatures; 
• Electric insulation properties;
• Low cost in comparison with other ceramic materials

The main areas of use from corundum (aluminum oxide):

• Facing of consumable hardware;
• End seal rings;
• Drain bushings, wiring, guiding beams;
• Roller balls;
• Milling fittings;
• Burners;
• Crucibles;
• Valve components and shut-offs;
• Nozzles for argon arc welding machines;
• Electric insulators;