Customized alumina ceramic plates multi size 95% to 99.99% purity AL2O3 ceramic plate
Materials:Alumina (95%~99.99%Al2O3)/ Zirconia(ZrO2:YSZ,MSZ)/ZTA/Silicon Carbide (SSiC)/Silicon Nitride (Si3N4)……
Sizes:Max Length/width:450mmThickness:0.2mm...
Delivery times:2 -25 days(depends on the quantity)
Precision:Ra 0.1um tolerance: 0.001mm... etc
Features:Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation
Customized:Al2O3alumina plate can be custom for special sizes and shapes
Product Details
Alumina Ceramic Plates Multi-Functional and Multi-Size Al2O3 Ceramic Plates
As an alumina ceramic plate manufacturer, we manufacture and supply multi-size alumina ceramic plate like: alumina panels, alumina disc, alumina board, al2o3 sheets etc.and also offer custom or machining alumina plate for our customer.
Our alumina plate made by Al2O3alumina ceramics which alumina purity can be option from 95% to 99.99%Al2O3. Alumina plates with different alumina content have different performance characteristics, so different types of alumina plates are used in different industries.
Alumina ceramic is a kind of ceramic with alumina (Al2O3) as the main material. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance.
For the alumina plate sizes we produce them according to customer requirements. High Al2O3 purity, high precision, factory price.

High Purity Alumina Ceramics
99.99% Alumina ceramic; 99.9% Alumina ceramic; 99.8% Alumina Ceramic; 99.7% Alumina Ceramic; 99.5% Alumina Ceramic; 99% Alumina Ceramic
General Purpose Alumina Ceramics
97% Alumina ceramic, 96% Alumina ceramic, 95% Alumina ceramic
Alumina Plate Applications
Alumina ceramic plates, alumina sheets, and custom polished alumina sheets are widely used in various industrial applications due to their excellent hardness, electrical insulation, corrosion resistance, wear resistance, and high-temperature stability.
- Semiconductor and Electronics Industry
Alumina ceramic plates are commonly used in semiconductor wafer processing equipment, ceramic substrates, insulation components, and precision fixtures due to their high purity, dimensional stability, and excellent electrical insulation properties. - High-Temperature Furnace Applications
Alumina plates and alumina sheets maintain their mechanical strength and hardness at elevated temperatures, making them suitable for furnace fixtures, kiln supports, thermal insulation components, and high-temperature processing equipment. - Chemical and Corrosion-Resistant Applications
The excellent corrosion resistance of alumina ceramics makes alumina plates ideal for chemical processing equipment, protective components, and applications involving harsh environments. - Laser and Precision Equipment
Custom alumina ceramic plates and polished alumina sheets are used for laser equipment parts, precision mechanical components, positioning fixtures, and other applications requiring high accuracy and surface finish. - Industrial Equipment and Manufacturing
Alumina ceramic plates are widely applied in industrial equipment parts, welding components, molding parts, wear-resistant components, and mechanical structures where high hardness and durability are required. - Armor and Protective Applications
Due to their high hardness and lightweight characteristics, alumina plates can also be used as ceramic armor materials for personal protection and vehicle protection systems.
Some of Our Alumina Plates Available Sizes(include but not limited belows)
| Length | Width | Thickness | Length | Width | Thickness |
| 100mm | 100mm | 3mm | 100mm | 100mm | 6mm |
| - | 25mm | 2mm | - | 50mm | 2mm |
| 50mm | 50mm | 1mm | 50mm | 50mm | 2mm |
| 100mm | 100mm | 10mm | Shape: square, round, oval, flat, strip, porous, irregular, etc | ||

* The length, thickness , diameter and shape of the alumina ceramic plates are customized.
* Maximum Length achievable:4200mm
Direct Factory Advantages
1. Factory price with a discounts
2. Fast shipment within 24 hours
3. In stocks for hot sales sizes
4. MOQ:1-10 pieces, from prototype to mass production.
5. Online service
6. Technical support from 20+ engineering team
Custom Service for Al2O3 Ceramic Sheet
1. Can be custom for special sizes by drawing or specifications
2. Can offer a samples within 2 days
3. The delivery time within 3-35 days after confirmed the order
4. Factory price and Senior ceramic engineer service
Alumina Ceramic Technical Data Sheet
| Properties | Unit | Alumina (Al2O3) | |||
| Al2O3≥95 | Al2O3≥99 | Al2O3≥99.5 | Al2O3≥99.8 | ||
| Volumetric density | g/cm³ | 3.7 | 3.80-3.85 | 3.85 | 3.9 |
| Hardness | HRA≥ | 86 | 88 | 88 | 88 |
| Flexural Strength | Mpa≥ | 300 | 350 | 400 | 400 |
| Maximum temperature | ℃ | 1500 | 1500 | 1500 | 1500 |
| Line expansion coefficient | ×10-6/℃ | 7.5 | 8.2 | 8.2 | 8.2 |
| Dielectric constant | εr(20℃,1MHz) | 9 | 9.2 | 9.2 | 9.2 |
| Media loss | tanδ×10-4,1MHz | 3 | 2 | 2 | 2 |
| Volumetric resistivity | Ω·cm(20℃) | 1013 | 1014 | 1014 | 1014 |
| Breakdown strength | KV/mm,DC≥ | 20 | 20 | 20 | 20 |
| Acidic resistance | mg/cm²≤ | 0.7 | 0.7 | 0.7 | 0.7 |
| Alkaline resistance | mg/cm²≤ | 0.2 | 0.1 | 0.1 | 0.1 |
| Abrasion resistance | g/cm²≤ | 0.2 | 0.1 | 0.1 | 0.1 |
| Compressive strength | Mpa≥ | 2500 | 2500 | 2500 | 2800 |
| Flexural Strength | Mpa≥ | 200 | 350 | 350 | 350 |
| Thermal coefficient | W/m·K(20℃) | 20 | 25 | 25 | 25 |
For more Alumina Ceramic technical data information, please feel free tocontact us.
Properties of Alumina/Aluminum Oxide (Al2O3)
1.Very good electrical insulation (1x1014 to 1x1015 Ωcm)
2.Moderate to extremely high mechanical strength (300 to 630 MPa)
3.Very high compressive strength (2,000 to 4,000 MPa)
4.High hardness (15 to 19 GPa)
5.Moderate thermal conductivity (20 to 30 W/mK)
6.High corrosion and wear resistance
7.Good gliding properties
8.Low density (3.75 to 3.9 g/cm3)
9.Operating temperature without mechanical load 1,000 to 1,500°C.
10.Bioinert and food compatible
Customization & Machining Service:
As a professional alumina ceramic plate manufacturer, we provide a wide range of alumina ceramic grades, including 95%, 96%, 99%, 99.5%, and 99.99% Al₂O₃. Contact us today for customized ceramic plates.
Our Custom Capabilities:
1. High Purity Alumina Ceramic Powder
2. OEM Support, More Than 20 Technicians With 5-Year R&D Experience
3. 45000㎡ workshop, equipped with mutiple production lines.
4. All ceramic parts are strictly inspected before shipping. Test report available.
5. Best Service And Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
| Mingrui Ceramic Manufacturing Capabilities | |
| Dimensional accuracy | Up to 0.001mm |
| Concentricity | Up to 0.003mm |
| Parallelism | Up to 0.002mm |
| The inner hole tolerance | The minimum 0.005mm |
| Straight flute | The narrowest 0.1x100mm |
| The thickness of the size | Minimum to 0.02mm |
| The screw thread | Minimum internal thread M2 |
| Cylindricity | Up to 0.004mm |
| The linear tolerance | Up to 0.001mm |
| The smallest aperture | The minimum 0.07mm |
| Precision process | CNC maching,grinding,lapping |
| Surface finish | Glazed,polishing or metallized |
FAQs
1. How to Choose Alumina Ceramic Grades?
We can manufacture according to your drawings. If you are not sure about the material, please provide the operating conditions of the ceramic part you require. Our engineering team will recommend the the most suitable material and purity for your application. Need material recommendation? Please contact us: [email protected]
2. Briefly Describe Your Manufacturing Capabilities:
Max Length: 4200mm; Min Thickness: 0.1-0.2mm; Tolerance: Up to 0.001mm, Ra: 0.1μ
3. How Long will I Get a Reply and Quotation?
Your email or message will be replied within 24 hours. For custom products, the quotation typically takes 1-2 working days.
4. Can you customize Al2O3 alumina ceramic plate?
Sure. We can customize alumina ceramic sheet plate strictly according to your drawings or specifications.
Feedback
1. For any query or doubt, please contact us firstly, we will update with you soon;
2. For any other satisfaction, please also feedback to us, which could improve our service better and better.
For more information about alumina plates,please contact our engineers in time >>>

EN
CN





