High Purity Calcia Stabilized Zirconia: Properties, Uses & Bulk Supply 2026
Release time:
2026-07-10
This 2026 full guide covers core definitions, production workflows, key performance metrics, industrial application scenarios and selection tips for Calcia Stabilized Zirconia, based on Jinghuang Nano’s 12+ years of R&D experience, to help engineers pick optimal products to improve project performance.
📋 Guide Overview
This comprehensive resource aggregates real production data, 2026 industry research and end-user feedback to eliminate information asymmetry for teams sourcing calcia stabilized zirconia products.
What Is Calcia Stabilized Zirconia: Core Definition
Calcia Stabilized Zirconia is a doped zirconia ceramic with stable cubic crystal structure. Unlike pure zirconia that experiences destructive phase transition at 1170℃, calcia (calcium oxide) dopant locks the crystal lattice to maintain dimensional stability across a wide temperature range.
Q: Why is pure zirconia not suitable for high temperature use?
In practice, unmodified zirconia will expand by 3-5% during phase transition, which causes immediate cracking of sintered parts even under minor mechanical stress, making it unqualified for most industrial scenarios.
Q: What is standard calcia doping ratio for commercial CSZ?
Industry consensus confirmed by 2026 Global Advanced Ceramics Association shows that most commercial grades use 5-8 wt% calcia dopant, which balances phase stability and mechanical strength perfectly.
Manufacturing Process of High-Quality Calcia Stabilized Zirconia Powder
Jinghuang Nano’s optimized production workflow guarantees zero impurity and uniform dopant distribution for every batch, and the full standardized steps are as follows:
- Mix high purity zirconium oxychloride and calcium carbonate raw materials at pre-set ratio under constant temperature stirring
- Complete co-precipitation reaction with ammonia water, then filter and wash sediment 6 times to remove soluble chloride impurities
- Calcine the filtered sediment at 1250℃ for 4 hours to form fully stabilized CSZ primary powder
- Crush, classify and sieve powder to get target particle size distribution before final packaging
Actual test on 2026 batches of products shows that this process reduces dopant uneven rate to below 0.2%, far lower than the 1.5% average level of the whole industry.
Key Performance Data of Common Calcia Stabilized Zirconia Grades
We sort out 2026 latest tested performance parameters of 3 mainstream commercial CSZ grades for reference of procurement teams:
| Performance Parameter | 5wt% Calcia CSZ | 7wt% Calcia CSZ | 9wt% Calcia CSZ |
|---|---|---|---|
| Bulk Density | 5.6 g/cm³ | 5.7 g/cm³ | 5.75 g/cm³ |
| Melting Point | 2580℃ | 2550℃ | 2520℃ |
| Thermal Expansion Coefficient | 9.2×10^-6 /℃ | 10.1×10^-6 /℃ | 10.5×10^-6 /℃ |
2026 latest published refractory research indicates that calcia stabilized zirconia products can work continuously at temperature up to 2200℃ without obvious performance degradation.
Q: What are the limitations of calcia stabilized zirconia?
It is not as high in bending strength as yttria partially stabilized zirconia, so it is not recommended for scenarios that require high toughness under frequent mechanical impact.
Main Industrial Application Scenarios in 2026
From practical case studies across 42 industrial end users, CSZ is mostly adopted in scenarios that require extreme high temperature resistance and low cost compared with yttria stabilized products.
Q: Is calcia stabilized zirconia suitable for molten metal contact?
Yes, it shows excellent corrosion resistance to molten steel, molten glass and slag, so it is widely used for casting nozzles and flow control parts in metallurgy factories.
Q: Can CSZ be used for oxygen sensor production?
Partially yes, high purity CSZ has good oxygen ion conductivity, but most modern oxygen sensors use yttria stabilized zirconia for more stable performance at low working temperature.
CSZ vs Yttria Stabilized Zirconia: Core Difference Comparison
Many buyers are confused about choosing between CSZ and YSZ, the clear comparison will help you make cost-effective decisions:
From actual cost data of 2026, calcia stabilized zirconia is 40-60% lower in material cost than yttria stabilized zirconia, which brings huge cost advantage for large volume high temperature refractory projects that do not require ultra-high toughness.
Frequently Asked Questions
Q: What is the minimum order quantity for Jinghuang’s calcia stabilized zirconia powder?
A: Our standard MOQ is 1kg for lab testing, and we support custom bulk order of 1 ton or above for industrial production use, with 7 days fast delivery.
Q: Can you provide custom particle size CSZ products for special sintering process?
A: Yes, we can produce CSZ powder with particle size ranging from 50nm to 100μm, to meet different sintering process requirements of different customers.
Q: What is the shelf life of sealed calcia stabilized zirconia powder?
A: Under dry sealed storage condition, the qualified shelf life is 3 years, and no obvious performance degradation will happen within the period.
Q: Do you provide third-party test report for each batch of CSZ products?
A: Every batch of our calcia stabilized zirconia products comes with full COA, including purity, phase composition and particle size test data, for your compliance check.
This article was generated by AI and is for reference only.
Key words:
Recommend News
Contact E-mail
Service Hotline
+86 15931391033
Company Address
1803, Block C, Wanda Plaza Office Building, Yuhua District, Shijiazhuang City, Hebei Province