99 Percent Al2o3 Ceramic Corrosion Resistant Alumina Engineering Ceramic High Strength
99 Alumina Ceramics Corrosion Resistant Alumina Engineering Ceramics High Strength Industrial Ceramics
Alumina 99 ceramic industrial ceramics refer to a high-performance ceramic material widely used in various industrial fields. It primarily consists of over 99% alumina (Al₂O₃) and is known for its excellent wear resistance, corrosion resistance, and high hardness. Due to its high purity and outstanding properties, this ceramic material finds extensive applications in electronics, electrical, mechanical, and chemical industries.
Properties
- High Hardness: Alumina 99 ceramic exhibits very high hardness, making it highly effective in wear-intensive environments.
- High-Temperature Stability: This ceramic maintains stability at high temperatures, resisting deformation or degradation.
- Excellent Insulation: With superior electrical insulation properties, alumina 99 ceramic is reliable in high-voltage environments.
- Corrosion Resistance: The material is highly resistant to acids, bases, and other chemicals.
- Wear Resistance: Alumina 99 ceramic has excellent wear resistance, making it suitable for use in harsh working conditions.
Applications
- Electronic Components: Used in the manufacture of insulators, substrates, and other electronic parts.
- Mechanical Parts: Commonly used for bearings, seals, and other parts requiring high wear resistance and strength in mechanical equipment.
- Chemical Equipment: Widely applied in chemical industry equipment such as pipes and reactors due to its superior corrosion resistance.
- Medical Devices: Alumina 99 ceramic is also an important material in some high-performance medical devices.
| Ceramic Properties Table | ||||
| Name | 99ceramic | 95ceramic | Zirconia | |
| Main Ingredients | Al2O3>99% | Al2O3>95% | ZrO2≥94% | |
| Physical properties | Density | 3.85 | 3.6 | 5.9 |
| Water Absorption% | 0 | 0 | 0 | |
| Sintering temperature°C | 1690 | 1670 | 1650 | |
| Material properties | Hardness HV | 1700 | 1600 | 1400 |
| Flexural strength 4pt | >3500 | >2900 | >11000 | |
| Compressive strength Kgf/㎡ | 30000 | 25000 | 25000 | |
| Thermal properties | Maximum operating temperature°C | 1500 | 1400 | 1600 |
| Coefficient of thermal expansion | 8 | 7.8 | 10 | |
| 10-6/°C | ||||
| 0-1000°C | ||||
| Electrical Characteristics | Thermal shock resistance T(°C) | 200 | 220 | 350 |
| Thermal conductivity W/m.k | 31 | 22 | 3 | |
| Volume resistivity Ω.cm | >10¹² | >10¹² | >10¹² | |
| Dielectric breakdown strength KT/m | 18 | 16 | 15 | |
| Dielectric constant 1MHZ(E) | 9.2-10.5 | 9.0-10 | 12.5 | |
Purchase process
FAQ
Q1: Are you a manufacturer or a trader?
A1: We are a real manufacturer, our factory is specialized in producing refractory materials for more than 20 years. We promise to provide the best price, the best pre-sale and after-sale service.
Q2: How do you control your quality?
A2: For each production process, LJ has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.
Q3: What is your delivery time?
A3: Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality.
Q4: Do you provide free samples?
A4: Of course, we provide free samples.
Q5: Can we visit your company?
A5: Yes, of course, you are welcome to visit LJ company and our products.
Q6: What is the MOQ for trial order?
A6: There is no limit, we can provide the best suggestion and solution according to your situation.
Q7: Why choose us?
A7: We have been making refractory materials for more than 20 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.





