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Xiamen Unipretec Ceramic Technology Co., Ltd.

China Manufacturer with main products: Technical Ceramics, Advanced Ceramics, Alumina Ceramics, Zirconia Ceramics, Industrial Ceramics, Ceramic Rods, Ceramic Nuts, Ceramic Nozzles

Home  >Products Catalog > Zirconia Ceramic > Zirconium Oxide ZrO2 Zirconia Ceramic

Zirconium Oxide ZrO2 Zirconia Ceramic

FOB Price: 5.00 - 10.00 USD/Piece
Supply Ability: 5,000 Piece/Pieces per Month
Shipping: express or ship or air
Payment Terms: T/T, Western Union, Other, Paypal
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Fujian in China
Packaging Details: wooden case or carton box with foam

Quick Details

  • Brand Name: UNIPRETEC
  • Model Number: UPT-ZC001
  • Material: Zirconia Ceramic
  • Application: Industrial Ceramic
  • Type: Ceramic Parts
  • Purity: High Purity
  • Color: White
  • Density: 5.95 g/cm3
  • Vickers Hardness: 12 Gpa
  • Water Absorption: 0
  • Flexural Strength: 900 Mpa
  • Compressive Strength: 2200 Mpa
  • Thermal Conductivity: 2.2 w/(m.k)
  • Thermal shock resistance: 280-350 Celsius
  • Max. Working Temperature: 850 Celsius

Specifications

Unlike other ceramic materials, zirconium oxide (ZrO2 also known as zirconia) is a material with very high resistance to crack propagation. Zirconium oxide ceramics also have very high thermal expansion and are therefore often the material of choice for joining ceramic and steel.

Another outstanding property combination is the very low thermal conductivity and high strength. Zirconium oxide ceramics are used among other applications, as tools for wire forming, as auxiliaries in welding processes, as materials for crowns and bridges in the dental industry, as insulating rings in thermal processes, and as oxygen measurement cells in lambda probes.

Typical Uses of ZrO2
*Precision ball valve balls and seats
*High density ball and pebble mill grinding media
*Rollers and guides for metal tube forming
*Thread and wire guides
*Hot metal extrusion dies
*Deep well down-hole valves and seats
*Powder compacting dies
*Marine pump seals and shaft guides
*Oxygen sensors
*High temperature induction furnace susceptors
*Fuel cell membranes
*Electric furnace heaters over 2000°C in oxidizing atmospheres

                                                                        
Ceramic Manufacturing Process
Raw Material >>   Milling/Mixing >>   Spray/Drying >>   Forming >>   Green Machining >>   Sintering  >>   Grinding >>   Special Process >>   Inspection >>   Cleaning >>   Final Product


Property Description
1.Use temperatures up to 2400°C
2.High density
3.Low thermal conductivity (20% that of alumina)
4.Chemical inertness
5.Resistance to molten metals
6.Ionic electrical conduction
7.Wear resistance
8.High fracture toughness
9.High hardness


Characteristics Unit 95 Al2O3 99 Al2O3 ZrO2 GPSi3N4 BN Glass Ceramic
Crystal Structure - hexagonal hexagonal tetragonal hexagonal hexagonal -
Color - white ivory white gray white white
Density g/cm3 3.65 3.88 5.95 3.22 2.26 2.55
Water Absorption % 0 0 0 0 0.0-1.0 0
Young's Modulus Gpa 280 350 205 295 670 65
Vickers Hardness Gpa 14 20 12 18-20 - -
Flexural Strength  Mpa 280 300 900 650 51 100
Compressive Strength  Mpa 2000 2500 2200 2200 230 500
Thermal Conductivity  W/(m·k) 18-25 30 2.2 25 20 1.7
Thermal shock resistance Δ(℃) 220 180-200 280-350 450-650 >1500 25-100
Max. Working Temperature  1500 1700 850 1200 960 800
Volume Resistivity  Ω·cm >10^15 >10^14 >10^12 >10^14 10^13 10^16
Dielectric Constant (1 MHz ) - 9.5 9.8 26 8.2 4.08 6.02
Dielectric Strength kV/mm 16 22 - 16 375 40

About UniPreTec
UniPreTec provides high-performance ceramic products in Alumina, Zirconia, Zirconia Toughened Alumina, Silicon Carbide, Silicon Nitride and  further special materials. Along with these materials, we offer several machining from which to choose such as cutting, drilling, sawing, turning, grinding, polishing etc.. Furthermore, our technologies and equipments allow us to provide various and flexible forming processes, like dry pressing, isostatic pressing, extrusion, injection moulding and slip casting.

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