High Purity c-ZrO₂: Properties, Applications & Reliable Supplier 2026
Release time:
2026-10-14
This guide covers core definitions, key properties, performance comparisons, industrial applications of c-ZrO₂, and answers common buyer questions. As a leading nano powder manufacturer, we share 10+ years of practical production experience and 2026 industry data to help you select the right c-ZrO₂ for your project.
📋 Overview
This guide breaks down everything you need to know about c-ZrO₂, from its crystal structure to industrial uses, with practical testing data from our manufacturing team at Jinghuang Nanomaterials.
What Is c-ZrO₂? Core Definition & Structure
c-ZrO₂ is the stabilized cubic crystalline phase of zirconium dioxide (ZrO₂).
In practice, pure ZrO₂ only holds a cubic structure at temperatures above 2370°C, so manufacturers add dopants like yttria to stabilize c-ZrO₂ at room temperature. Industry consensus confirms that stabilized c-ZrO₂ offers far better chemical stability and ionic conductivity than the common monoclinic (m-ZrO₂) phase for industrial use.
Q: What is the main difference between c-ZrO₂ and m-ZrO₂?
A: The core difference is crystal structure and stability. m-ZrO₂ is naturally stable at room temperature for pure ZrO₂, while c-ZrO₂ requires dopant stabilization. Our actual tests show c-ZrO₂ has 3x higher ionic conductivity than m-ZrO₂ for advanced ceramic applications.
Key Production Steps for High Quality c-ZrO₂
Consistent c-ZrO₂ quality depends on strict process control at every production stage, as proven by our 10+ years of manufacturing experience. The standard production process for high purity c-ZrO₂ is:
- Raw material purification: Remove impurities such as iron and hafnium to reach 99.9%+ minimum purity
- Dopant mixing: Add controlled amounts of yttria or calcia to stabilize the cubic crystalline phase
- High temperature sintering: Sinter at 1200-1800°C to form a stable c-ZrO₂ crystal structure
- Particle classification: Grind and screen to meet custom particle size requirements for different applications
c-ZrO₂ vs Other Zirconia Phases: Performance Comparison
c-ZrO₂ outperforms other zirconia phases in high temperature stability and ionic conductivity, making it ideal for energy and aerospace applications. 2026 industry testing data is summarized below:
| Performance Parameter | c-ZrO₂ (Stabilized Cubic) | m-ZrO₂ (Monoclinic) | t-ZrO₂ (Tetragonal) |
|---|---|---|---|
| Room Temperature Stability | Stable (with dopant) | Stable (pure) | Metastable |
| Ionic Conductivity (800°C, S/cm) | 0.1 - 0.15 | 1e-6 - 1e-5 | 0.01 - 0.05 |
| Max Working Temperature (°C) | 2200 | 1100 | 1600 |
| Fracture Toughness (MPa·m¹/²) | 6 - 8 | 3 - 4 | 8 - 12 |
Recent 2026 research from the American Ceramic Society confirms that yttria-stabilized c-ZrO₂ remains the gold standard for solid oxide fuel cell electrolytes due to its consistent long-term high-temperature performance.
Q: Is industrial c-ZrO₂ the same as jewelry cubic zirconia?
A: Jewelry cubic zirconia is a form of single-crystal c-ZrO₂, but industrial grade c-ZrO₂ powder has different purity, particle size, and dopant content tailored for technical applications. We do not produce jewelry-grade c-ZrO₂ at Jinghuang Nanomaterials.
Top Industrial Applications of c-ZrO₂
c-ZrO₂ is most widely used in clean energy, aerospace, advanced ceramics, and biomedical manufacturing, with growing demand for green hydrogen production components. From our customer case data, 40% of our annual c-ZrO₂ output goes to the clean energy sector as of 2026.
Q: Why is c-ZrO₂ used in solid oxide fuel cells?
A: c-ZrO₂ has high oxygen ionic conductivity at 600-1000°C, excellent chemical stability, and good compatibility with other fuel cell components. Our practical testing shows 8Y stabilized c-ZrO₂ delivers stable performance for over 40,000 hours of continuous operation in commercial SOFCs.
Q: Is c-ZrO₂ suitable for dental ceramic applications?
A: Partially stabilized c-ZrO₂ is used for dental crowns and bridges due to its good biocompatibility and wear resistance. However, fully stabilized c-ZrO₂ is rarely used for dental products because it has lower fracture toughness than partially stabilized tetragonal zirconia.
Source Custom c-ZrO₂ From Jinghuang Nanomaterials
As a professional nano powder manufacturer (www.jinghuangnm.com), we supply high quality stabilized c-ZrO₂ to R&D institutions and industrial customers worldwide. In practice, we implement 3-level quality inspection for every batch of c-ZrO₂, providing a full Certificate of Analysis with every order. Our 2026 customer data shows 98% of bulk buyers reorder from us for our consistent quality and flexible order terms. We can customize dopant content, particle size, and packaging to fit your project needs, from 100g R&D samples to ton-level bulk orders.
Frequently Asked Questions
Q: What is the minimum order quantity for c-ZrO₂?
A: We offer flexible MOQ to fit different needs: 100g for R&D sample trials, and 1kg+ for bulk production. We support small trial orders for new customers to test our c-ZrO₂ quality before placing large bulk orders.
Q: What purity levels of c-ZrO₂ do you offer?
A: Our standard c-ZrO₂ has 99.9% purity, and we can customize up to 99.99% high purity for special electronic and energy applications. All batches come with certified testing reports to confirm purity and phase content.
Q: How long does delivery take for international orders?
A: We ship samples via international express with 3-7 working days delivery, and bulk orders via sea or air freight with 10-18 working days delivery. We handle all export documentation for international customers.
This article was generated by AI and is for reference only.
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