Industry News

Nextgen Advanced Materials Provides High Quality Zirconia


Zirconia,with its molecular

formula of ZrO2, is the main oxide of zirconium. Natural minerals containing

zirconium mainly include incline zircon and zircon and so on. Zirconia is

usually a white odorless and tasteless crystal, insoluble in water,

hydrochloric acid and dilute sulfuric acid, chemically stable, and features

high hardness, high melting point, high resistivity, high refractive index and

low thermal expansion coefficient characteristics, has been widely used in

wet-resistant ceramics, refractory materials, machinery, electronics, optics,

aerospace, biology, chemistry and other fields. Our common artificial drills

and dental implants are also based on zirconia as the main material.

Zirconia provided by Nextgen Advanced

Materials has the following advantages:

1, High hardness: the hardness of zirconia

products can usually reach more than 7.5 Mohs hardness, zirconia ceramics and

other parts of the hardness of more than 9, second only to diamond. High

hardness means that it has a strong wear resistance, so zirconia ceramics are a

good anti-wear material.

2, High melting point: zirconia melting

point up to 2715℃, and chemical stability, is an excellent refractory.

3, Low thermal conductivity, low expansion

coefficient: the thermal conductivity of zirconia is low in common materials

(1.6-2.03W/(m.k)), and the coefficient of thermal expansion is close to the

metal. Therefore, zirconia ceramics are suitable for bonding ceramic materials,

such as zirconia ceramic mobile phone appearance structural parts.

4, Special conductivity: zirconia at room

temperature is not conductive, the resistivity is very large, but in a high

temperature environment, zirconia has a certain conductivity, using this

principle, zirconia is also used in many electronic devices.

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