Alumina Oxide 85% to 99.9%:
Our Services Includes:
- Green machining & sintering of alumina ceramics
- Bisque firing
- Post firing grinding
- Stock sizes available
- Id & od thread machining down to 0-80
- Glazing
- From prototype to production quality
Electrical:
- Easily metalized with good electrical properties
- Superior electrical resistance
- High dielectric characteristics: strength and low-loss factors
Mechanical:
- High strength
- High wear resistance
- High compressive and mechanical strength
- Excellent for holding very tight tolerances, complicated design shapes and threads
- Close to diamond hardness
- High vacuum tightness
- Easily polished and lapped to highest surface finishes
- Sliding abrasion resistant
Thermal:
- Mechanically and dimensionally stable in heat environments to near 3000º F
- Outstanding heat resistance
- Service temperatures higher than metals
- Good thermal conductor at low to moderate heat
- Thermal insulating at elevated temperatures
Chemical:
- High chemical stability
- High corrosion and oxidation resistance
- Resistant to most acid and alkaline solutions
- Resistant to organic solvents, salt solutions and molten salts
- Slightly attacked by molten alkalis
Some Applications:
- Nozzles - welding, laser sand blast, etc.
- Wire and thread guides
- Bushings - high voltage bushings and spacers
- Air bearings
- Medical parts - high purity, small, precision parts
- High heat parts
- High vacuum tubes
- Semiconductor parts
- Multi-terminal feed through connectors
- Food processing valves
- Chutes and ducts for abrasive media
Alumina Oxide Material Specs
Alumina Substrates