Customize 95% 99% Alumina Ceramic Plate High Temperature Ceramic Al2o3 Industrial
Customize High Temperature Industrial 95% 99% Al2O3 Alumina Ceramic Plate
Alumina ceramic plates are a type of advanced ceramic material widely used in various industrial applications due to their excellent mechanical, thermal, and electrical properties. Here's an overview of the key characteristics, applications, and benefits of alumina ceramic plates:
Characteristics
- High Hardness and Strength: Alumina ceramics are extremely hard and strong, making them suitable for applications requiring wear resistance and durability.
- Thermal Stability: They can withstand high temperatures, up to 1600°C or higher, without degrading, which makes them ideal for high-temperature applications.
- Electrical Insulation: Alumina ceramics are excellent electrical insulators, making them useful in electrical and electronic applications.
- Corrosion Resistance: They are resistant to chemical corrosion, which extends their life span in harsh environments.
- Biocompatibility: Alumina is biocompatible, which means it can be used in medical applications without adverse effects on biological tissues.
Applications
- Electronics and Electrical Engineering: Used as substrates for electronic circuits, insulators, and semiconductor components.
- Mechanical Engineering: Employed in wear-resistant components, cutting tools, and mechanical seals.
- Medical Devices: Used in dental implants, hip replacements, and other orthopedic devices due to their biocompatibility.
- Automotive: Components like spark plug insulators and sensors.
- Aerospace: High-temperature-resistant components for engines and other aerospace applications.
- Chemical Industry: Used in components exposed to corrosive environments, such as nozzles and pump components.
Benefits
- Longevity: Due to their hardness and resistance to wear and corrosion, alumina ceramic plates have a long service life.
- Efficiency: Their high thermal conductivity and electrical insulation properties improve the efficiency of electronic devices.
- Versatility: They can be used in a wide range of environments and applications, from high-tech electronics to demanding industrial processes.
Types and Grades
Alumina ceramics come in various purities and grades, commonly ranging from 85% to 99.9% alumina content. Higher purity grades offer better performance in terms of electrical insulation and thermal conductivity but may be more expensive.
Customization and Manufacturing
Alumina ceramic plates can be custom-manufactured to specific dimensions and shapes to meet the requirements of different applications. They can also be processed to achieve varying surface finishes and tolerances, depending on the need.
Product Parameter
| Alumina Ceramic Substrate Material Property | ||||
| Item | Unit | 96% Al2O3 | 99.6% Al2O3 | |
| Mechanical Properties | ||||
| Color | / | / | White | Ivory |
| Density | Drainage Method | g/cm3 | ≥3.70 | ≥3.95 |
| Light Reflectivity | 400nm/1mm | % | 94 | 83 |
| Flexural Strength | Three Point Bending | MPa | >350 | >500 |
| Fracture Toughness | Indentation Method | MPa·m1/2 | 3 | 3 |
| Vickers Hardness | Load 4.9N | GPa | 14 | 16 |
| Young's Modulus | Stretching Method | GPa | 340 | 300 |
| Water Absorption | % | 0 | 0 | |
| Camber | / | Length ‰ | T≤0.3: ≤5‰, Others: ≤3‰ | ≤3‰ |
| Thermal Properties | ||||
| Max. Service Temperature (non-loading) | / | ºC | 1200 | 1400 |
| CTE (coefficient of thermal expansion) | 200-800ºC | 1×10-6/ºC | 7.8 | 7.9 |
| Thermal Conductivity | 25ºC | W/m·K | >24 | >29 |
| Thermal Shock Resistance | 800ºC | ≥10 Times | No Crack | No Crack |
| Specific Heat | 25ºC | J/kg·k | 750 | 780 |
| Electrical Properties | ||||
| Dielectric Constant | 25ºC, 1MHz | / | 9.4 | 9.8 |
| Dielectric Loss Angle | 25ºC, 1MHz | ×10^-4 | ≤3 | ≤2 |
| Volume Resistivity | 25ºC | Ω·cm | ≥10^14 | ≥10^14 |
| Dielectric Strength | DC | KV/mm | ≥15 | ≥15 |
| Alumina Ceramic Substrate Production Specifications | |||||||
| 99.6% Al2O3 | |||||||
| Thickness (mm) | Maximum Size (mm) | Shape | Molding Technique | ||||
| As Fired | Lapped | Polished | Rectangular | Square | Round | ||
| 0.1-0.2 | 50.8 | 50.8 | √ | √ | Tape Casting | ||
| 0.25 | 114.3 | 114.3 | √ | Tape Casting | |||
| 0.38 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
| 0.5 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
| 0.635 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
| Other special thicknesses within the thickness range of 0.1-0.635mm can be achieved by lapping. | |||||||
| 96% Al2O3 | |||||||
| Thickness (mm) | Maximum Size (mm) | Shape | Molding Technique | ||||
| As Fired | Lapped | Polished | Rectangular | Square | Round | ||
| 0.25 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
| 0.3 | 120 | 114.3 | 114.3 | √ | Tape Casting | ||
| 0.38 | 140×190 | √ | Tape Casting | ||||
| 0.5 | 140×190 | √ | Tape Casting | ||||
| 0.635 | 140×190 | √ | Tape Casting | ||||
| 0.76 | 130×140 | √ | Tape Casting | ||||
| 0.8 | 130×140 | √ | Tape Casting | ||||
| 0.89 | 130×140 | √ | Tape Casting | ||||
| 1 | 280×240 | √ | Tape Casting | ||||
| 1.5 | 165×210 | √ | Tape Casting | ||||
| 2 | 500×500 | √ | Tape Casting | ||||
| Other special thicknesses within the thickness range of 0.1-2.0mm can be achieved by lapping. | |||||||
| Alumina Ceramic Substrate Product Tolerance | ||||
| Item | Substrate Thickness (mm) | Standard Tolerance (mm) | Best Tolerance (mm) | Laser Cutting Tolerance (mm) |
| Length And Width Tolerance | / | ±2 | ±0.15 | |
| Thickness Tolerance | T<0.3 | ±0.03 | ±0.01 | |
| 0.30-1.0 | ±0.05 | ±0.01 | ||
| T>1.0 | ±10% | ±0.01 | ||
| Alumina Ceramic Substrate Surface roughness | |||
| Material | Surface Roughness (μm) | ||
| As Fired | Lapped | Polished | |
| 96% Al2O3 | Ra 0.2-0.75 | Ra 0.3-0.7 | Ra ≤0.05 |
| 99.6% Al2O3 | Ra 0.05-0.15 | Ra 0.1-0.5 | Ra ≤0.05 |
| Inspection Of Bare Ceramic Substrates | ||
| Test ltems | Inspection Tool | Inspection Standard |
| Appearance | VisualInspection,Microscope | In accordance with the drawing |
| Length And Width | Vernier Caliper | |
| Thickness | Thickness Gauge,Micrometer | |
| Camber | Digimatic lndicater | |
| Surface Roughness | Surface Roughness Meter |
|
Production Flow Chart
FAQ
Q1:Why us?
- Professional manufacturer since 2003.
- Strict quality control on production process and tolerance.
- Free samples available
- Customized production based on your drawing or specification
- On-time delivery and reliable support and service
- Inventory available for quick shipment
- We keep confidentiality of all the drawings and business information between us.
Q2:Are you a trading company or a manufacturer?
A: We are a manufaturer.
Q3:Can you provide the free samples?
A3: Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.
Q4: Do you accept customized production based our specification?
A4: Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.
Q5: What's the delivery time?
A5: 7 working days for standard products 30 days for customized products.
Q6: What is the MOQ?
A6: No limit to the quantity. We can offer the best proposal and solutions according to your condition.
Q7: What is the payment terms you accept?
A7: T/T,LC,Western Union,moneygram are acceptable.
Q8: How to deal with the faulty?
A8: Firstly, Our product are produced in strict quality control system and the defective rate will be less than 2%.
If there are problems with the product, we will provide free replacement.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



