ZrO2 Rings Zirconia Ceramics Zirconium Oxide


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UNIPRETEC
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Keyword
ceramic rings, zirconia rings, zirconium oxide, zro2 rings
Category
Industrial Supplies , Ceramics , Electroceramics , Other Non-Metallic Mineral & Products
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XIAMEN UNIPRETEC CERAMIC TECHNOLOGY CO.,LTD

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BIZ
Country / Year Established
China China /
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Others
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11

Product name ZrO2 Rings Zirconia Ceramics Zirconium Oxide Certification -
Category Industrial Supplies
Ceramics
Electroceramics
Other Non-Metallic Mineral & Products
Ingredients -
Keyword ceramic rings , zirconia rings , zirconium oxide , zro2 rings Unit Size -
Brand name UNIPRETEC Unit Weigh -
origin Stock -
Supply type - HS code 8547100000

Product Information

Zirconia Ceramics(ZrO2) materials are used in very high wear applications under very high pressure requiring improved fracture toughness and stiffness over alumina. Zirconia is noted for its high strength, toughness, wear and thermal properties. Its high material cost usually warrants its usage extending longer life and reduce down time where alumina fails in this applications.
During manufacture, the zirconia powder is combined with oxides such as Yttria, magnesia or tetragonal and the material is said to be partially stabilized or even it can be fully stabilized if required, varying the composition allows different properties to be enhanced.
Advantages of Zirconia Ceramics
Excellent fracture toughness
Very good wear resistance
High corrosion stability
Low thermal conductivity
CTE in range of steel
Applications of Zirconia Ceramics
Various wear parts for wear applications
Valves and pump components
Ceramic plain, balls and roller bearings
Tubes, fixtures etc. for High temperature
Copper tube extruding & reducer dies
Thermal insulation components
Wear resistance and Cutting blades
Ceramic knives
Grinding media
Precaution for Zirconia Ceramics Using
Please handle them carefully and avoid collision during unpacking, transportation, handling and cleaning.
Check whether any micro-cracks exist before using zirconia products. Products with micro-cracks should not be used.
Slow ramp rate and cooling rate are highly recommended to minimize the thermal shock. When increasing the temperature, special attention should be paid on two sensitive temperature periods: not exceeding 3°C/MIN during 100°C ~300°C and 1050°C ~1200°C. The rate can be faster in other temperature ranges, but it is recommended to be less than 5°C /MIN.
Zirconia ceramics should not be heated by torch or furnaces that cannot control temperature change rate. The uneven heating can cause crack.
ZrO2 Rings Zirconia Ceramics Zirconium Oxide
1.Material: ZrO2 Ceramic, Zirconia Ceramic, Zirconium Oxide
2.Color: White
3.Type: Industrial Ceramics
                                                                                   
Zirconia Ceramics(ZrO2) materials are used in very high wear applications under very high pressure requiring improved fracture toughness and stiffness over alumina. Zirconia is noted for its high strength, toughness, wear and thermal properties. Its high material cost usually warrants its usage extending longer life and reduce down time where alumina fails in this applications.
                                                                                           
During manufacture, the zirconia powder is combined with oxides such as Yttria, magnesia or tetragonal and the material is said to be partially stabilized or even it can be fully stabilized if required, varying the composition allows different properties to be enhanced.
                                                                                              
Advantages of Zirconia Ceramics
  • Excellent fracture toughness
  • Very good wear resistance
  • High corrosion stability
  • Low thermal conductivity
  • CTE in range of steel
                                                                     
Applications of Zirconia Ceramics
  • Various wear parts for wear applications
  • Valves and pump components
  • Ceramic plain, balls and roller bearings
  • Tubes, fixtures etc. for High temperature
  • Copper tube extruding & reducer dies
  • Thermal insulation components
  • Wear resistance and Cutting blades
  • Ceramic knives
  • Grinding media
                                                     
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
                                                                                                     
Precaution for Zirconia Ceramics Using
  1. Please handle them carefully and avoid collision during unpacking, transportation, handling and cleaning.
  2. Check whether any micro-cracks exist before using zirconia products. Products with micro-cracks should not be used.
  3. Slow ramp rate and cooling rate are highly recommended to minimize the thermal shock. When increasing the temperature, special attention should be paid on two sensitive temperature periods: not exceeding 3°C/MIN during 100°C ~300°C and 1050°C ~1200°C. The rate can be faster in other temperature ranges, but it is recommended to be less than 5°C /MIN.
  4. Zirconia ceramics should not be heated by torch or furnaces that cannot control temperature change rate. The uneven heating can cause crack.

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XIAMEN UNIPRETEC CERAMIC TECHNOLOGY CO.,LTD

Country / Year Established
China China /
Membership
BIZ
Business type
Others

11

President
Edwin Wu
Address
RM606, NO.151 YUEHUA ROAD, HULI DISTRICT
Product Category
Ceramics
No. of Total Employees
1-50
Company introduction

 

Background & Experience

UNIPRETEC is in providing solutions to difficult problems using the most high-tech advanced ceramics precision components and products. We develop, manufacture and supply precision products which required hard wearing, lightweight, non-contaminating, with excellent chemical resistance, good thermal shock and offer enhanced electrical and thermal insulation properties.

 

With many years of experience in research and development in advanced technical ceramic materials, process development, manufacturing of precision components and small assemblies for the various niche applications for the automotive, aerospace, oil & gas industries, foundries, industrials, food, medical, chemical etc. and also consulting & working with most advanced ceramics manufacturing companies around the world, we are now able to offer following services.

- Design, research & development of materials

- Material processes and manufacturing of precision components & assemblies

- Manufacturer & supplier of quality precision components made from advance technical ceramics with reasonable price and excellent delivery

- Consultation for product development, manufacturing & quality control

- Business development 

- Sales & Marketing.

 

Our Aims

 

Our advanced technical ceramic business will focus on assisting clients with design issues, material selection, manufacturing of precision components and assembly, procurement with the goal of providing material related solutions to difficult industrial problems. We intend to focus our work on the use of all kind of advanced technical ceramic materials, quality precision components & assemblies.

 

We intend to focus our work on the use of advanced technical ceramic materials that offers a combination of excellent properties such as:

- Lightweight, but with very high strength, toughness and fatigue resistance

- Excellent thermal shock

- Exceptional wear resistance

- Low thermal expansion of coefficient

- Excellent chemical & corrosion resistance to most of acidic or alkaline solutions

- Excellent non-wetting property for handling of molten non-ferrous metals

 

Advance engineering ceramic materials

- Aluminium Oxide (Al2O3)

- Zirconium Oxide (ZrO2)

- Silicon Carbide (SiC, SiSiC)

- High pressured & Hot pressed sintered Silicon Nitride (GPSN & HPSN)

- Boron Carbide (B4C)

- Aluminium Nitride (AlN)

- Machinable Ceramics (Glass Ceramic & Boron Nitride)

 

Main application areas and various components are as below:

- High temperature applications (up to 2500’C)

- RF (induction) heating application for various induction furnaces

- Non-ferrous molten metal handling products and various molten metals’s pumping applications

- Advanced gas pressured thermocouple & thermocouple sheaths for molten non-ferrous metals

- Components for high wearing and bearing applications

- Ball, rollers bearing & plain bearings from GPSN & YPZ-Zirconia ceramic materials

- Jigs-fixtures and brazing fixtures for manufacturing processes

- Mechanical seals for chemical pumps

- Electrical insulating application

- Chemical and process industries application wearing parts & liners

- Ceramic cutting tools tips

- Automotive-diesel engine components such as fuel pump needle, rods, rotor, cam followers (rollers), tappet shims etc

- Copper pipe Extruding dies, metal tubes forming rollers, wire drawing dies etc.

- Mud-Pump sleeves, pistons, balls and ball valves, seats & liners for pipes for oil, gas and nuclear applications.

 

We welcome any opportunity related to above products from any one who are interested in for development or sourcing high tech ceramic components from us. If you need any further information, please do not hesitate to contact us at our office or if you may need my visit for further detail discussion, please do not hesitate to contact me either.

 

Main Markets

Canada Canada

Germany Germany

Russia Russia

South Korea South Korea

Swaziland Swaziland

U. Kingdom U. Kingdom

U.S.A U.S.A

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