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Zirconia Ceramic Plates

Zirconia ceramic plates is made of zirconium oxide materials, it is a commonly used technical ceramic material. It has relatively high fracture strength among all ceramic materials, with the addition of high hardness and low friction coefficient, it is usually used for structural ceramic components. Its thermal expansion coefficient is similar to steel, so it can be jointed to steel parts. Besides, zirconia ceramic plates has excellent corrosion resistance and low thermal conductivity.

Product Features:

Good smoothness / flatness with less porosity. Excellent in adhesion with thin film and thick film materials.

Less variance in outline, plate thickness, slit pitch, etc.

Minimal warpage, bending, and undulation.

Physical and chemical properties are stable even under a hot environment. Excellent in thermal shock resistance. High thermal conductivity and coefficient of thermal expansion similar to that of silicon.

Superior mechanical strength. Products with higher mechanical strength are also in our lineup.
Excellent resistance against oil and chemical.

Excellent in insulation properties, high dielectric breakdown voltage, high surface resistivity / volume resistivity, and small dielectric constant.

Stable breaking strength, and less variance in shape or dimensions.

Product Parameters:

Product Name Purity / ethod Size Thickness Polishing
Zirconia Ceramic plates >94.8% 114.3 x 114.3mm
101.6 x 101.6mm
100 x 100mm
76.2 x 76.2mm
50 x 50mm
10 x 10mm
Or others
Or others
Un-polished surface
Single side polished
Double side polished

Unpolished: Ra 1.6 micron

Polished:    Ra 0.2 micron

Properties Units Value
Density g/cm3 6.04
Color white
Water Absorption % @R.T. 0.0
Hardness Moh’s 6.5
Hardness knoop (kg/mm2) 1600
Compressive Strength MPa @ R.T. 2500
Tensile Strength MPa @ R.T. 248
Modulus of Elasticity
(Young’s Mod.)
GPa 207
Flexural Strength (MOR) MPa @ R.T. 900
Fracture Toughness, KIc MPa x m1/2 13.0
Max. Use Temperature
(* denotes inert atm.)
ºC 500
Thermal Shock Resistance DT (ºC) 280 – 360
Thermal Conductivity W/m-K @ R.T. 2.7
Coefficient of Linear Thermal Expansion, al mm/m-ºC (~25ºC through ±1000ºC) 11.0
Specific Heat, cp cal/g-ºC @ R.T. 0.10
Dielectric Constant 1MHz @ R.T. 26 @100kHz
Dielectric Strength kV/mm 9.0
Electrical Resistivity Wcm @ R.T. >1013

Application and After-Sales Service:

The zirconia ceramic plate has sensitive electrical performance parameters and is mainly used in the fields of oxygen sensors, solid oxide fuel cells and high temperature heating bodies.
In terms of structural ceramics, zirconia ceramic plates are widely used in the field of structural ceramics because of its high toughness, high flexural strength and high wear resistance, excellent thermal insulation properties, and thermal expansion coefficient close to that of steel.

Our zirconia ceramic plates are exported to USA, Canada, Europe, and South America and Southeast Asia.

After-sales service:

Accept any repair of the product, help to improve technology for customer. And also provide long-term technical help and support for you.


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