CAS 1314-23-4 Industrial Grade Zirconia White Crystalline Powder Zirconium Oxide

Zirconium dioxide, also known as zirconia or zirconium oxide, is an inorganic compound with the chemical formula ZrO2. It is a white crystalline powder that is highly stable and chemically inert. Zirconium dioxide has a wide range of applications due to its unique properties.

Chemical Formula: ZrO2
Molar Mass: Approximately 123.22 g/mol
Appearance: White crystalline powder
Density: 5.89 g/cm³
Melting Point: 2,715°C (4,919°F)
Boiling Point: 4,300°C (7,772°F)
Solubility: Insoluble in water and most solvents

Features and Properties:

1. High Melting Point: Zirconium dioxide has an exceptionally high melting point, making it suitable for applications that involve high temperatures.
2. Thermal Stability: It exhibits excellent thermal stability and can withstand rapid temperature changes without cracking or deforming.
3. Electrical Insulator: Zirconium dioxide is an excellent electrical insulator and is frequently used in electronic and electrical applications.
4. Chemical Inertness: It is highly resistant to chemical attack, making it suitable for use in corrosive environments.
5. Hardness and Wear Resistance: Zirconium dioxide is very hard and exhibits excellent wear resistance, making it suitable for applications that require durability.

Applications:

1. Ceramic Materials: Zirconium dioxide is widely used in the production of advanced ceramic materials, such as ceramic knives, grinding media, and dental implants, due to its high strength, hardness, and biocompatibility.
2. Thermal Barrier Coatings: It is used as a thermal barrier coating in gas turbine engines to protect components from high-temperature environments and improve efficiency.
3. Solid Oxide Fuel Cells (SOFC): Zirconium dioxide serves as an electrolyte material in high-temperature solid oxide fuel cells, enabling the conversion of chemical energy into electricity.
4. Oxygen Sensors: Zirconium dioxide-based sensors are used in automotive and industrial applications to measure oxygen levels in exhaust gases.
5. Dental and Medical Applications: Zirconium dioxide is used in dental crowns and implants due to its biocompatibility, aesthetics, and durability.
6. Refractory Materials: It is used in refractory applications, such as crucibles and furnace linings, due to its high melting point and thermal stability.
7. Optical and Electronic Applications: Zirconium dioxide is used in optical coatings, optical fibers, and electronic components due to its dielectric properties and transparency to certain wavelengths.

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