99 alumina ceramic cylinder liner

99 alumina ceramic cylinder liner is a high-performance engineering ceramic material composed mainly of 99% alumina.

Main features
High temperature resistance:
99 alumina ceramic cylinder liner has excellent high temperature resistance, capable of maintaining stable performance in high temperature environments, is not prone to thermal expansion and deformation, and can withstand temperatures up to 1750 ° C.
High hardness and wear resistance:
Due to the high hardness of alumina, this material has excellent wear resistance and can operate for a long time in harsh friction and wear environments. Its hardness is equivalent to that of carbide cemented carbide, which is several times higher than that of steel.
Good insulation properties:
99 alumina ceramics have good electrical insulation properties and can work stably in high voltage, high frequency and high temperature environments, making them suitable for use in the electrical and electronic industries.
Chemical stability:
It has good stability to chemical substances such as acids, alkalis, and salts, and is not susceptible to corrosion and erosion. It can operate stably in harsh chemical environments for a long time.
Exceptional mechanical properties:
With high strength and toughness, it can withstand certain loads and shocks.
Physical and chemical properties
High melting point:
99 alumina ceramics have a high melting point and can withstand temperatures up to 1800 ° C.
High resistivity:
It is an electrically insulating material with high resistivity.
Corrosion resistance:
It has good chemical stability and excellent acid and alkali corrosion resistance.
Coefficient of thermal expansion:
A relatively large coefficient of thermal expansion may lead to a decrease in thermal shock stability.

Application field
99 alumina ceramic cylinder liners are widely used in a wide range of fields, including:
Petrochemical: used in high-pressure, strong wear environments such as drilling mud pumps, which can significantly improve the service life of equipment.
Electrical and electronic industries: Due to their excellent insulation properties and wear resistance, they are suitable for insulating materials in high-voltage, high-frequency, and high-temperature environments.
Machinery manufacturing: used in the manufacture of high-temperature crucibles, refractory furnace tubes and special wear-resistant materials, such as ceramic bearings, ceramic seals, etc.

99 alumina ceramic cylinder liner is widely used in various high temperature, high pressure and corrosive environments due to its excellent physical and chemical properties. It is a high-performance engineering ceramic product.