Product Details
1. Definition and Unique Properties
1.1 Definition and Formation
Zirconia ceramic (Zirconium Dioxide, ZrO₂) is a high-performance advanced inorganic non-metallic ceramic material, commonly stabilized with yttria (Y₂O₃) to achieve tetragonal phase transformation toughening. Unlike many brittle structural ceramics, phase transformation toughening endows zirconia with exceptional fracture toughness and bending strength. It is formed via powder molding and high-temperature sintering; finished blanks require diamond tools for precision machining to produce high-strength, wear-resistant structural components.
1.2 Grade Standard
Yttria-stabilized zirconia (YSZ, the most common commercial grade) is the mainstream high-strength zirconia ceramic. It balances outstanding mechanical strength, hardness, wear resistance and moderate thermal insulation. Custom formulations are available for specialized needs such as thermal barrier coatings or oxygen sensing applications.
2. Core Characteristics of Zirconia Ceramics
2.1 Mechanical Performance
The most prominent feature is its ultra-high flexural strength and Vickers hardness. With a flexural strength up to 1000 MPa and Vickers hardness of 1300 HV, it delivers excellent wear resistance and impact resistance via phase transformation toughening, far outperforming alumina ceramics in toughness.
2.2 Electrical Properties
Zirconia ceramic acts as a reliable electrical insulator at room temperature. It features stable insulation performance, low leakage current. Note: Doped zirconia becomes ionic conductive at elevated temperatures, which is a special characteristic for oxygen sensor applications.
2.3 Thermal Properties
Zirconia ceramic has a linear expansion coefficient of 10×10⁻⁶/°C (20–500°C) and low thermal conductivity (<2 W/(m·K)), making it a good thermal barrier material. It can withstand rapid temperature changes within its service range, though its thermal shock resistance is inferior to machinable glass ceramic and silicon nitride.
2.4 Mechanical and Chemical Stability
Zirconia ceramic is dense and non-porous (0% water absorption), chemically inert, and resistant to most acids, alkalis and organic solvents. It is non-magnetic, low in outgassing, and its fully densified microstructure delivers good hermeticity, suitable for wear, corrosion and vacuum environments.
3. Advantages of Zirconia Ceramics
3.1 Superior Mechanical Toughness & Wear Resistance
Benefiting from phase transformation toughening, zirconia boasts ultra-high flexural strength and hardness. It resists crack propagation far better than conventional oxide ceramics, ideal for friction, impact and high-load scenarios, greatly extending service life of wear parts.
3.2 Dense, Impermeable & Excellent Corrosion Resistance
With 0% water absorption and fully densified sintered structure, it blocks liquid and gas penetration. It maintains stable performance against most corrosive media, no dissolution or contamination, perfect for high-purity fluid handling and corrosive working conditions.
3.3 Low Thermal Conductivity
Its thermal conductivity is less than 2 W/(m·K), giving it good heat insulation capability. Combined with its high mechanical strength, it can serve as both structural support and thermal isolation components under moderate high-temperature conditions.
3.4 Dimensional Stability & Non-Magnetic
High-density sintered zirconia has excellent dimensional stability under load and temperature cycling, non-magnetic, free from magnetic interference. It works reliably in precision equipment, medical and electronic systems where magnetism is forbidden.
4. Application Fields
4.1 Precision Machinery & Wear Industry
Thanks to ultra-high strength and wear resistance, zirconia ceramic is widely used for high-load friction parts:
Wear sleeves, guide pins, sliding bearings and valve cores
Precision cutting tools, forming dies and anti-wear liners
Fiber/textile industry wire guides and ceramic rollers
4.2 Medical & Healthcare
Biocompatible yttria-stabilized zirconia is a staple biomedical ceramic:
Dental crowns, bridges and implant abutments
Orthopedic prosthetic components and surgical instrument parts
Medical precision wear-resistant structural parts
4.3 Electronic & Semiconductor Industry
Non-magnetic, high-insulation, low-contamination properties meet strict semiconductor requirements:
Electronic insulating spacers and positioning jigs
Wafer handling components, electrostatic chuck accessories
High-purity vacuum equipment structural parts
4.5 General Industrial & Energy Components
Oxygen sensor electrolyte substrates (special doped zirconia)
High-pressure pump sealing elements, corrosion-resistant nozzles
Luxury watch cases, bearing balls for high-end instruments
Technical Specifications
|
项目
Item
|
单位
Unit
|
氧化锆
Zirconia (ZrO2)
|
|
体积密度
Bulk density
|
g/cm3 |
6.05 |
|
吸水率
Water absorption
|
% |
0 |
|
抗折强度
Flexural strength
|
MPa |
1000 |
|
硬度
Hardness vickers
|
HV |
1300 |
|
弹性模量
Elastic modulus
|
GPa |
205 |
|
线性膨胀系数
Linear expansion coefficient
|
(20-500℃) 10-6/℃ |
10 |
|
导热系数
Thermal conductivity
|
W/(m·K) |
＜2 |
|
介电常数
Dielectric constant (1MHZ)
|
- |
N.A. |
|
介电强度
Dielectric strength
|
*106V/m |
N.A. |
Development History
Patents and certification
We’ve obtained various global certifications including CE, EMC, LVD, RoHS, FDA, MSDS, ISO 9001, SGS and TUV. We also own eight registered trademarks and forty technical patents to support independent R&D.
Our proprietary core technologies run through all product lines: porous ceramics, industrial ceramic components, special glass, metallized ceramics, liquid absorption cotton, ozone generators and silicone goods. All products are manufactured in strict accordance with international quality standards, delivering reliable and high-performance solutions that have gained wide recognition and market trust worldwide.
Package
We adopt scientific and standardized packaging solutions tailored to product characteristics to effectively prevent collision, extrusion, dust and moisture damage. With mature global transportation system and strict shipment inspection procedures, we ensure all products remain intact and stable during long-distance delivery, providing customers with safe, efficient and reliable one-stop logistics service.
Services
Inquiry & Customization
We provide fast and accurate quotation response for all your inquiries. Flexible OEM & ODM customization solutions are available to meet your unique product design, packaging and branding requirements.
Order Quality Control
We keep clients updated with full production progress throughout the whole order cycle. Our QC team carries out strict comprehensive pre-shipment inspection to guarantee all goods comply with your quality standards before delivery.
Customs Document Support
We prepare a full set of standard export documents including commercial invoice, packing list, certificate of origin and other certification papers, to ensure smooth global customs clearance for shipments to all destinations worldwide.
One-Stop Logistics
Multiple shipping methods including sea freight, air freight and express delivery are offered to match your schedule and budget. We supply real-time cargo tracking service so you can monitor shipment status anytime.
Flexible Payment
We support a wide range of secure international payment terms such as T/T, L/C, Western Union and other mainstream cross-border settlement methods to reduce your cross-border transaction risks.
After-Sales Support
Our professional after-sales team offers timely technical and business support all year round. We maintain steady long-term stable supply capacity to fully back up your continuous market sales and project demands.
FAQ
01
Question: Can you produce based on customers’ drawings or physical samples?
Answer: Absolutely yes. We accept technical drawings in all mainstream file formats as well as actual physical samples. Before formal production, our engineering team will provide a full professional DFM feasibility evaluation for your reference.
02
Question: How long is the production lead time for custom orders?
Answer: Sample lead time: 3–7 working days. Custom mold lead time: 5–10 working days (we will confirm the cycle separately with you for complex molds). Mass production lead time: 7–20 working days, depending on product structure complexity and order quantity.
03
Question: What’s your minimum order quantity for custom products?
Answer: We provide flexible MOQ solutions for all customized items. We will try our best to set a low minimum order volume to support your small-batch trial orders, meanwhile we can handle stable mass production to satisfy your long-term bulk demands.
04
Question: What customization services can you provide?
Answer: We support comprehensive one-stop customization, including product size, shape, appearance, precision tolerance, surface treatment, hole grooving, bending, cutting and adjustable high-temperature resistant parameters. Custom engraved LOGO and exclusive customized packaging are also available as extra personalized options upon request.
05
Question: Do you accept third-party inspection of finished products?
Answer: Yes, we fully cooperate with all mainstream authorized third-party testing institutions. Well-known organizations such as SGS, BV and other internationally recognized inspection bodies are all acceptable. We can supply complete official inspection reports and material certification documents as you require.
06
Question: Can you customize raw material options for products?
Answer: Sure. We can select and match appropriate raw materials according to your application scenarios, working conditions and performance requirements, including alumina, zirconia, quartz, silicone and other special engineering materials, and adjust related performance parameters to meet your usage standards.
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