What is alumina used for?


Mar 6, 2023 ,

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Alumina properties High resistance to heat: alumina may be used in an oxidation-reduction atmosphere up to 1650°C (2900°F) or in vacuum environments as high at 2000°C (3600°F).
Wear resistance: Alumina is an extremely durable ceramic that has outstanding wear resistance. Alumina is a great choice for products or inserts that require wear resistance.
Electrical insulators: Alumina is a common material used for high-temperature electrical insulation, in particular when it comes to higher purity grades which provide greater resistance.
Chemical resistance: Alumina can withstand strong bases and acids at high temperature. This makes it an excellent choice for applications that require the ability to resist corrosive substances.
Extreme hardness
Be strong.
Remarkable compressive strength.
High mechanical strength.
At high temperatures, resist strong acid or alkali.
High electrical insulation.
High thermal conductivity

What advantages does alumina offer?
Alumina is an industrially-used wear-resistant ceramic material. This ceramic material has high hardness, wear resistance, low corrosion level, high temperature resistance as well as biological inertia. Alumina can be polished very finely, making it suitable to precision seal applications, such as pistons and pumps. Alumina’s high temperature stability has made it an outstanding high temperature ceramic material. This is the most widely used advanced ceramic with an average purity of 95-99.99%.

For what purpose is alumina being used?
Alumina, a hard ceramic that is very wear resistant, can be found in high-quality forms. This ceramic is ideal for making wear-resistant products and inserts. High temperature electrical insulator is a common use of alumina, in particular if it’s a more pure grade with a better resistivity. Alumina can also resist strong acid and alkali at high temperatures, making it an excellent choice for corrosion resistance materials.
One of the most common uses for alumina includes:
Electronic components and sub-materials
Elec. Insulator at high temperatures
Insulator with high voltage.
Laser tube.
Machine parts
The mechanical seal
High wear axles, precision axles
Roller bearings and ball bearings
Sealing ring
Semiconductor components.
Shoot peening the nozzle.
Tube with thermocouple
Head plate for hose
Valve seat.
Wear parts
Conductors and wires
Ballistic armor

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