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Zirconium Oxide ZrO2 powder CAS 1314-23-4
  • Zirconium Oxide ZrO2 powder CAS 1314-23-4

Zirconium Oxide ZrO2 powder CAS 1314-23-4

Zirconium dioxide (chemical formula: ZrO2) is the main oxide of zirconium. It is usually a white odorless and odorless powder, which is difficult to dissolve in water, hydrochloric acid and dilute sulfuric acid.
Purity: 99.5%
Particle size: 20nm-200nm
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Overview of Zirconia ZrO2 Powder:

Zirconium dioxide (ZrO2), sometimes called zirconia (not to be confused with zircon), is the white crystalline oxide of zirconium. Its most naturally occurring form has a monoclinic crystal structure and is mineral bentonite. Dopant-stabilized cubic zirconia, cubic zirconia, synthesized in various colors, used as gem and diamond simulants.

Zirconia is not chemically reactive. Slowly corroded by concentrated hydrofluoric acid and sulfuric acid. When heated with carbon, it converts to zirconium carbide. When heated with carbon in chlorine, it is converted to zirconium tetrachloride.

Zirconia is one of the most studied ceramic materials. ZrO2 adopts a monoclinic crystal structure at room temperature and transforms into tetragonal and cubic crystals at higher temperatures. The volume change caused by the structure from tetragonal to monoclinic to cubic transformation will cause greater stress, which will cause it to crack when cooled from high temperature.

Three phases are known: monoclinic phase below 1170°C; tetragonal phase between 1170°C and 2370°C; cubic phase above 2370°C. Normally, the trend is to have higher symmetry at higher temperatures. A small portion of calcium or yttrium oxides are stabilized in the cubic phase. The rare mineral Tazheranite (Zr, Ti, Ca) O2 is cubic. Unlike TiO2, which has six-coordinated titanium in all phases, monoclinic zirconia is composed of seven-coordinated zirconium centers. This difference is due to the larger size of zirconium atoms relative to titanium atoms.

The bandgap of ZrO2 depends on the phase (cubic, tetragonal, monoclinic, or amorphous) and preparation method, with a typical estimated value of 5-7 eV. A special case of zirconia is tetragonal zirconia polycrystalline or TZP, which means polycrystalline zirconia composed of only a metastable tetragonal phase.

The properties of zirconia ZrO2 powder:

The chemical properties of zirconium dioxide are inert, with a high melting point, high resistivity, high refractive index, and low coefficient of thermal expansion, making it an important high-temperature resistant material, ceramic insulating material, and ceramic sunscreen, and it is also the main source of artificial diamonds. section. raw material. The bandgap is about 5-7eV.

Application of zirconia ZrO2 powder:

What are the uses of zirconia ZrO2 powder?

zirconia ZrO2 powder used in metal zirconium and zirconium compounds, refractory bricks and crucibles, high frequency ceramics, abrasives, ceramic pigments and zirconates, mainly used in piezoelectric ceramic products, daily ceramics, refractory materials and precious metal smelting zirconium bricks, zirconium Tubes, crucibles, etc.

Fire-resistant

Zirconia fiber is a polycrystalline refractory fiber material. Due to the high melting point, non-oxidation and other excellent characteristics of high temperature of ZrO2 substance, the use temperature of ZrO2 fiber is higher than other refractory fibers, such as alumina fiber, mullite fiber, and aluminum silicate fiber. Zirconia fiber has been used for a long time in an ultra-high temperature oxidizing atmosphere above 1500°C, the highest temperature is as high as 2200°C, and even 2500°C can still maintain a complete fiber shape, which is the top of the current theme. Fiber material.

Gas a turbine

Plasma sprayed zirconium dioxide thermal barrier coatings have made great progress in the application of air and industrial gas turbines, and have been used in the turbine part of gas turbines to a certain extent. Since the coating can reduce the temperature of air-cooled high-temperature components to 50 to 200°C, the durability of high-temperature components can significantly increase the durability of high-temperature components, or the temperature of gas can be increased. Lower the temperature or lower the temperature required to maintain high-temperature components. Changes, thereby improving the efficiency of the engine.

Ceramic material

Due to its high refractive index, high melting point and strong corrosion resistance, zirconia is used in the kiln industry. Piezoelectric ceramic products include filters, speakers and ultrasonic water detectors. There are also daily ceramics (industrial ceramic glazes), zircon bricks and zirconium tubes used for precious metal smelting. Nano-scale zirconia can also be used as a polishing agent, abrasive, piezoelectric ceramics, precision ceramics, ceramic glazes and high-temperature pigment matrix materials.

Therapy

In addition, zirconia can be used to make incandescent gas masks, enamel, white glass, and refractory crucibles. X-ray photography. Abrasive material. To make light source lamps, thick film circuit capacitor materials, piezoelectric crystal transducer formula in infrared spectrometer.

The price of zirconia ZrO2 powder:

The price of zirconia ZrO2 powder will vary randomly with the production cost, transportation cost, international situation, exchange rate and market supply and demand of zirconia ZrO2 powder. Tanki New Materials Co. ,Ltd aims to help all industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for zirconia ZrO2 powder, please feel free to send to get the latest zirconia ZrO2 powder price.

Suppliers of Zirconia ZrO2 powder:

As a global supplier of zirconia ZrO2 powder, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced technology and engineering materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metals, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.


Hot Tags: Zirconium Oxide ZrO2 powder CAS 1314-23-4, manufacturers, suppliers, factory, Customized
Zirconium Oxide ZrO2 Powder Properties
Other NamesZirconia, Dioxozirconium, zirconium, dioxo-, Zirconium dioxide, Zirconium White, Zirconium(IV) oxide, Zircosol, Rhuligel, Zirconic anhydride, Diketozirconium
CAS No.1314-23-4
Compound FormulaZrO2
Molecular Weight123.22
AppearanceWhite Powder
Melting Point2,715° C (4,919° F)
Solubility in waterN/A
Density5680 kg/m3
Purity>99%
Particle Size325 mesh
Boling point4,300° C (7,772° F)
Specific HeatN/A
Thermal ConductivityN/A
Thermal ExpansionN/A
Young's ModulusN/A
Exact Mass121.895 g/mol
Monoisotopic Mass121.894531 Da




Zirconium Oxide ZrO2 Powder Health & Safety Information
Safety WarningWarning
Hazard StatementsH315-H319-H335
Flashing pointN/A
Hazard CodesN/A
Risk CodesN/A
Safety StatementsN/A
RTECS NumberZH8800000
Transport InformationNONH
WGK Germanynwg


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