China Calcium-Stabilized Zirconia Powder from China Suppliers - High-Performance Factory Grade Ceramic Material Manufacturers, Factory

Calcium-stabilized zirconia powder is a premium advanced ceramic material produced by leading suppliers in China. By incorporating calcium oxide (CaO) as a stabilizing agent, our manufacturing factory transforms zirconium dioxide (ZrO₂) into a robust, stable cubic crystal structure. This stabilization process effectively prevents phase transformation during temperature fluctuations, significantly improving thermal stability, mechanical strength, and resistance to thermal shock. Calcium-stabilized zirconia from our factory is renowned for its excellent refractory performance and reliable ionic conductivity, making it ideal for maintaining stable functionality in extremely harsh environments. Choose us as your trusted supplier for high-quality calcium-stabilized zirconia powder

Product Description

Product Classification|Ca-PSZ Grades Overview

Ceramic Grade|High-Strength Thermal Ceramic Materials

Ca-PSZ for ceramics grade: With special production process, we can produce different Ca-PSZ powder by adjusting the content of CaO. With high strength, tenacity and good performance of thermal shock, our Ca-PSZ powder is the ideal material to make the thermal ceramics.

Refractory Grade|Electro-Melted Zirconia for High-Temperature Use

Ca-PSZ powder for refractory grade: The refractory grade Ca-PSZ powder, produced by electric melting quenching process can be broken into different varieties. It is used to produce various zirconia ceramics and refractory products, mainly used for electronic burning plate, sizing nozzle, sliding plate, invasive nozzle, zirconia products and special kiln furniture.

Calcium-Stabilized Zirconia Features and Uses (1)
Calcium-Stabilized Zirconia Features and Uses (2)

Performance Advantages|Durability Under Extreme Thermal Conditions

Thanks to its high melting point and strong resistance to corrosion and thermal stress, calcium-stabilized zirconia powder is widely used in applications that require long-term durability under elevated temperatures. It is commonly applied in advanced refractory materials, solid oxide fuel cells, oxygen sensors, and thermal barrier coatings, where materials must withstand continuous thermal cycling and aggressive chemical conditions without degradation.

Applications

Energy Applications

Solid Oxide Fuel Cell Electrolytes: One of the most important applications of calcium-stabilized zirconia powder is in solid oxide fuel cells (SOFCs). Its high ionic conductivity at elevated operating temperatures makes it an ideal choice for the electrolyte layer. The material allows oxygen ions to migrate efficiently through the cell, enabling stable and efficient electricity generation. At the same time, its mechanical robustness and structural stability ensure reliable operation under prolonged high-temperature conditions.

Sensing Technologies

Oxygen Sensors for Combustion Control: Another key application is in oxygen sensors, particularly those used in automotive exhaust systems and industrial process control. Calcium-stabilized zirconia serves as the core sensing material due to its ability to conduct oxygen ions at high temperatures. By accurately detecting oxygen concentration in exhaust gases or furnace atmospheres, these sensors enable precise combustion control, improving fuel efficiency while reducing harmful emissions.

High-Temperature Engineering

Advanced Refractory Applications: In addition, calcium-stabilized zirconia powder plays a critical role in advanced refractory applications. It is widely used in high-performance refractory linings for furnaces, kilns, and other high-temperature equipment. Its exceptional resistance to thermal shock, corrosion, and chemical attack ensures long service life and operational reliability in extreme environments, such as those found in the steel, glass, and metallurgical industries.

Ca-PSZ for ceramics grade

With special production process, we can produce different Ca-PSZ powder by adjusting the content of CaO. With high strength, tenacity and good performance of thermal shock, our Ca-PSZ powder is the ideal material to make the thermal ceramics.

Product Code Chemical composition % Density
(g/cm³)
Ceramic color Appearance Long-term service temperature (°C)
ZrO₂ Al₂O₃ SiO₂ CaO Fe₂O₃ TiO₂
FR-3C01 94 0.4 0.1 3.0±0.2 0.01 0.01 5.7 light white Granular material 1200
FR-3C01F 94 0.4 0.1 3.0±0.2 0.01 0.01 5.7 light white Powder material 1200
FR-3C02 94 0.4 0.4 3.5±0.2 0.1 0.2 5.6 earth yellow Granular material 1500
FR-3C02F 93 0.4 0.5 3.5±0.2 0.1 0.2 5.6 earth yellow Powder material 1500
Calcium-Stabilized Zirconia Features and Uses (4)
Calcium-Stabilized Zirconia Features and Uses (3)

Ca-PSZ powder for refractory grade

The refractory grade Ca-PSZ powder, produced by electric melting quenching process can be broken into different varieties. It is used to produce various zirconia ceramics and refractory products, mainly used for electronic burning plate, sizing nozzle, sliding plate, invasive nozzle, zirconia products and special kiln furniture.

Product Code Chemical composition % Stabilization % Particle size
ZrO₂ CaO SiO₂ Al₂O₃ Fe₂O₃ TiO₂
FR-ECZ01 >94 3-4 ≤0.4 ≤0.4 ≤0.1 ≤0.2 70± Can be adjusted according to customers' requirements
FR-ECZ02 >98 <2 ≤0.2 ≤0.2 ≤0.1 ≤0.2 70-80
FR-ECZO3 >94 3-4 ≤0.6 ≤0.4 ≤0.1 ≤0.2 >95 Hollow ball

Frequently Asked Questions (FAQ)

What are the main grades of Calcium-Stabilized Zirconia (Ca-PSZ) available?
We offer two primary grades: Ceramic Grade (designed for high-strength thermal ceramics with good thermal shock performance) and Refractory Grade (electro-melted zirconia for high-temperature applications like nozzles, sliding plates, and kiln furniture).
How is the chemical composition of Ceramic Grade Ca-PSZ controlled?
Through our specialized production process, we can produce different Ca-PSZ powders by adjusting the Calcium Oxide (CaO) content, typically ranging between 3.0±0.2% and 3.5±0.2% depending on the specific product code.
What is the long-term service temperature limit for Ceramic Grade Ca-PSZ?
Depending on the product code, the long-term service temperature is either 1200°C (for FR-3C01 and FR-3C01F) or 1500°C (for FR-3C02 and FR-3C02F).
Can the particle size of Refractory Grade Ca-PSZ be customized?
Yes. For product codes like FR-ECZ01 and FR-ECZ02, the particle size can be adjusted and customized according to specific customer requirements.
Why is Ca-PSZ powder ideal for Solid Oxide Fuel Cells (SOFCs)?
Ca-PSZ exhibits high ionic conductivity at elevated operating temperatures, allowing oxygen ions to migrate efficiently through the cell's electrolyte layer, which ensures stable and efficient electricity generation.
What makes Ca-PSZ suitable for oxygen sensors?
Its ability to conduct oxygen ions at high temperatures makes it the ideal core sensing material. It allows oxygen sensors to accurately detect oxygen concentration in exhaust gases or furnace atmospheres, improving combustion control and fuel efficiency.

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