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Product Description
Product Introduction
Strontium Zirconate (SrZrO₃) is a high-performance ceramic powder recognized for its excellent thermal stability, chemical resistance, and unique dielectric properties. With a perovskite crystal structure, SrZrO₃ is commonly used in advanced applications such as electronic ceramics, thermal barrier coatings, oxygen sensors, and solid oxide fuel cells (SOFCs).
The material's high melting point (above 2500°C) and superior structural integrity make it suitable for extreme environments, including high-temperature insulation and protective ceramic coatings. In electronics, SrZrO₃ offers low dielectric loss and reliable performance in capacitor components and dielectric layers, especially where stability under thermal and electrical stress is required.
Physical Properties
| Item | Spec | Remark |
| Particle Size Distribution (D50) |
0.2 ~ 30 μm |
Laser Particle Size Analizer |
| Water Content (wt%) |
0.2 ~ 30μm ： < 0.5 |
105℃ × 1Hr |
| Ignition Loss (wt%) |
0.2 ~ 30μm ： < 1.0 |
800℃ × 1Hr |
Chemical Composition
| Product No. | SZ-1 Series | SZ-2 Series | SZ-3 Series |
| SrO/ZrO2(mole ratio) | 1.000+0.01 | 1.000+0.02 | 1.000+0.03 |
| BaO(wt%) | <0.05 | <0.1 | <1.0 |
| Fe2O3 (wt%) | <0.01 | <0.03 | <0.1 |
| K2O+Na2O(wt%) | <0.01 | <0.03 | <0.1 |
| Al2O3 (wt%) | <0.1 | <0.2 | <0.50 |
| SiO2(wt%) | <0.1 | <0.2 | <0.50 |
Product Applications
Strontium Zirconate (SrZrO₃) is a highly versatile ceramic material known for its excellent thermal stability, chemical inertness, and high dielectric properties. As a member of the perovskite oxide family, SrZrO₃ is widely used in various advanced electronic, structural, and energy-related applications due to its unique combination of electrical and mechanical properties.
One of the primary applications of Strontium Zirconate is in the electronics industry, where it is used as a dielectric material. SrZrO₃ is often employed in the production of high-performance capacitors, particularly in high-voltage and high-frequency applications. Its high dielectric constant and low dielectric loss make it ideal for use in multilayer ceramic capacitors (MLCCs), dielectric resonators, and microwave components.
In the energy sector, Strontium Zirconate plays a crucial role in solid oxide fuel cells (SOFCs). Its ability to act as a stable electrolyte or proton-conducting material at elevated temperatures makes it an essential component in energy conversion and storage systems. SrZrO₃ is also being explored for use in proton-conducting ceramics, where it provides efficient ion conduction in high-temperature applications, contributing to improved performance in fuel cell technologies.
Additionally, SrZrO₃ is used as a key material in the production of thermal barrier coatings (TBCs). These coatings are applied to turbine blades and other components exposed to extreme heat in gas turbines, jet engines, and power plants. The low thermal conductivity and high melting point of Strontium Zirconate make it an ideal material for protecting components from thermal damage and improving efficiency in these high-stress environments.
In the field of refractories, SrZrO₃ is used for applications that involve high-temperature processes, such as molten metal processing and ceramic kilns. Its ability to resist chemical attack and thermal shock makes it suitable for crucibles, furnaces, and kilns.
Strontium Zirconate’s chemical stability, mechanical strength, and resistance to corrosion at elevated temperatures also make it valuable in environmentally demanding applications in industries such as aerospace, automotive, and chemical processing.
FAQ
1: What makes SrZrO₃ suitable for high-temperature applications?
Its high melting point and excellent thermal stability allow it to retain strength and insulation properties in extreme temperatures, making it ideal for coatings and SOFCs.
2: Is this material electrically conductive?
No, SrZrO₃ is an insulating ceramic with good dielectric properties, ideal for use in electrical insulation and capacitor applications.
3: What grades or sizes are available?
We provide SrZrO₃ powder in various particle sizes, including nano- and micron-sized grades, tailored to your processing and sintering requirements.
4: Can it be blended with other materials?
Yes. SrZrO₃ can be co-fired or blended with other oxides or perovskites to tailor dielectric, thermal, or structural performance.
