Aluminium oxide is responsible for the resistance.
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It has been used for decades in electrical components for its high electrical insulation and is widely used in mechanical parts for its high strength and corrosion and wear resistance.
In its most commonly occurring crystalline form called corundum or α aluminium oxide its hardness makes it suitable for use as an abrasive and as a component in cutting tools.
For alumina tile products discs rods or tubing ips ceramics manufactures and supplies a full variation of high alumina ranges around the world.
The colour is derived from either the sintering additives or impurities in the raw materials.
Alumina is the most well known and most commonly used fine ceramic material.
Alumina is an excellent high temperature ceramic material due to its high temperature stability.
It has the same sintered crystal body as sapphire and ruby.
It is the most widely used technical ceramic and is the material of choice in about 80 of engineering applications due to its combination of properties.
Aluminium oxide is insoluble in water.
Alumina ceramics are generally white but may also be pink 88 alumina or brown 96 alumina.