Introduction to Zirconia Ceramic Materials
Zirconia, a precision ceramic material with high mechanical strength and fracture toughness, is used in blades, shears, cutting tools, and pump components. Its thermal and chemical stability makes it essential for high-temperature and corrosive environments in aerospace, automotive, and electronics industries.
E-mail:sales01@hkceramic.com

Plate material mm (L, H, and W can be selected as needed, customization supported) | ||||||||||||
L | 3 | 5 | 8 | 10 | 12 | 15 | 18 | 20 | 22 | 25 | 28 | More (Customizable) |
W*H | 100*100 | 90*140 | 95*145 | 150*150 | 160*160 | 122*290 | 110*275 | More (Customizable) | ||||
Rod material mm (W, Ø can be selected as needed, customization supported) | ||||||||||||
Ø | 0.5 | 0.8 | 0.9 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | More (Customizable) |
W | 60 | 100 | 120 | 200 | More (Customizable) |
Zirconia (Zirconium dioxide, ZrO2) is a highly unique and valuable ceramic material, possessing a variety of remarkable properties.
1. Outstanding Mechanical Performance and Applications
Zirconia (Zirconium dioxide, ZrO2) exhibits superior mechanical characteristics compared to alumina, including higher strength and fracture toughness. These properties make zirconia an ideal choice for many industrial applications, especially in environments requiring materials to withstand extreme forces and wear.
- High Strength and Fracture Toughness: Zirconia surpasses many traditional ceramic materials in strength and toughness, allowing it to remain stable under impact and stress, reducing the risk of fracture.
- Industrial Applications: Due to its high strength and wear resistance, zirconia is commonly used in manufacturing various high-performance industrial components such as parts in milling machines, sliding components, and cutting tool blades. These applications often demand materials capable of withstanding repeated mechanical stress without failure.
2. Excellent Thermal Insulation and Low Thermal Conductivity
Zirconia also boasts excellent thermal insulation properties, with significantly lower thermal conductivity compared to other ceramic materials.
- Low Thermal Conductivity: Zirconia has only one-tenth the thermal conductivity of some other common ceramic materials. This characteristic makes it highly useful in applications requiring insulation or thermal management.
- Thermal Management Applications: For example, in certain chemical processing equipment and high-temperature furnaces, zirconia can be used as a thermal barrier, helping to control temperatures and protect sensitive mechanical components from overheating damage.
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Density | g/cm3 | 6 | 5.6 | 6 | 5.7 |
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Flexural Strength(20℃) | Mpa | 800 | 710 | 900 | 500 |
Compressive Strength(20℃) | Mpa | 2000 | 2000 | 2000 | 2500 |
Modulus of Elastic(young)(20℃) | Gpa | 200 | 210 | 220 | 250 |
Tracture Toughness(20℃) | MPam½ | 9 | 8 | 8 | 6 |
Poi sion’s Ratio(20℃) | \ | 0.3 | 0.3 | 0.3 | |
Hardness HRA(20℃) | HRA | 88 | 85 | 90 | |
Vickers Hardness(HV1) | kg/mm2 | 1175 | 1100 | 1220 | 1100 |
Rockwell Hardness(45N) | R45N | 78 | 75 | 78 |
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Thermal Expansion Coefficient | 10-6K-1 | 9.6 | 9.5 | 10 | 10 |
Thermal Conductivity | W/mk | 2.5 | 3 | 3 | 3 |
Thermal Shock Resistance | △T.℃ | 250 | 300 | 300 | 450 |
Specific Heat Capacity | J/g·k | 0.46 | 0.48 | 0.46 | |
Max working Temperature(In Oxidizing) | ℃ | 800 | 800 | 800 | 2100 |
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Vol une Resistivity at 20℃ | Ωcm | 1014 | 1010 | 1014 | 1014 |
Dielectric Strength | KV/mm | 13 | 13 | 13 | 13 |
Dielectric Constant | \ | 28 | 28 | 28 | 28 |
Dielectric LossAngle at 20℃,1MHz20℃ | tanδ | 17*10-4 | 17*10-4 | 17*10-4 | 17*10-4 |
*For more details, please feel free to contact our company.

Ultra-thin silicon nitride ceramic plate
Material:Silicon Nitride Ceramics
Describe:Explore ultra-thin silicon nitride ceramic plates for high-temperature environments like heat exchangers and combustion chambers. Ideal for lightweight, high-strength applications in semiconductor manufacturing and other industries, their chemical stability and low thermal expansion coefficient ensure superior mechanical and thermal performance.

99% high alumina ceramic plunger tube
Material:Alumina ceramics
Describe:High alumina ceramic plunger tubes, sleeves, and precision ceramic products provide exceptional wear, corrosion, and high temperature resistance in chemical, mining, and power industries. They safeguard equipment from damage while conveying corrosive and high temperature fluids.

Alumina Ceramic Heat Sink
Material:Alumina ceramics
Describe:Alumina ceramic heat sinks, also known as high-temperature resistant corrugated sheets or insulating wear-resistant corundum setter plates, offer excellent heat dissipation, high-temperature resistance, insulation, and wear resistance. Ideal for electronics, aerospace, automotive, and industrial heat treatment applications, they meet modern industrial demands and adapt to extreme environments.

Alumina ceramic tube
Material:Alumina ceramics
Describe:Sapphire ceramic tubes and high-temperature alumina ceramic heating protection tubes are precision ceramic products known for exceptional thermal stability, corrosion resistance, high-temperature stability, and wear resistance. Widely used across fields, they support equipment performance, reliability, and stability effectively.

Round alumina ceramic heating plate
Material:Alumina ceramics
Describe:This alumina ceramic heating plate, with its exceptional thermal stability and high temperature resistance, is essential for high-temperature industrial applications. Its spiral design enhances heat distribution, and strategically placed holes ensure uniform heating across the surface.

High-Temperature Silicon Nitride Ceramic Tube
Material:Silicon Nitride Ceramics
Describe:High-temperature silicon nitride ceramic tubes, thermal shock protective sleeves, and precision ceramic products excel in harsh environments. Known for heat resistance, thermal shock resistance, crucial in petrochemicals, aerospace, and energy sectors.