Product Details
Place of Origin: Made In China
Brand Name: Dayoo
Payment & Shipping Terms
Minimum Order Quantity: Negotiable
Price: Negotiable
Delivery Time: Negotiable
Payment Terms: Negotiable
Transparency: |
Opaque |
Dielectric Constant: |
9.8 |
Tensile Strength: |
200 MPa |
Thermal Conductivity: |
35 W/mK |
Shape: |
Cylinder |
Chemical Resistance: |
Excellent |
Material: |
Alumina Ceramic |
Density: |
3.9 G/cm3 |
Materials: |
92% Alumina Powder |
Application: |
Industrial Ceramic |
Melting Point: |
2040°C |
Compressive Strength: |
2000 MPa |
Flexural Strength: |
350 MPa |
Method: |
Lsostatic Presure |
Water Absorption: |
0 |
Transparency: |
Opaque |
Dielectric Constant: |
9.8 |
Tensile Strength: |
200 MPa |
Thermal Conductivity: |
35 W/mK |
Shape: |
Cylinder |
Chemical Resistance: |
Excellent |
Material: |
Alumina Ceramic |
Density: |
3.9 G/cm3 |
Materials: |
92% Alumina Powder |
Application: |
Industrial Ceramic |
Melting Point: |
2040°C |
Compressive Strength: |
2000 MPa |
Flexural Strength: |
350 MPa |
Method: |
Lsostatic Presure |
Water Absorption: |
0 |
Alumina ceramic heat dissipation substrates and filtration components are made from high-purity (96%-99.6%) alumina material, specifically designed for thermal management in electronic devices and filtration needs in precision instruments. Utilizing advanced ceramic forming technology and precision machining processes, these products exhibit excellent thermal conductivity, chemical stability, and mechanical strength, making them critical functional materials in modern electronics and precision instrument manufacturing.
Electronic Equipment: LED heat dissipation substrates, power module substrates, integrated circuit packaging, semiconductor heat sinks
Precision Instruments: Gas filtration elements, liquid filtration membrane supports, analytical instrument filter elements, vacuum system filters
Special Applications: Laser heat dissipation bases, photovoltaic equipment insulation components, aerospace filtration systems
Excellent Thermal Conductivity: Thermal conductivity 20-30W/(m·K), thermal expansion coefficient matches silicon chips
High Porosity Control: Filtration accuracy adjustable from 0.1-100μm, porosity controllable at 30-50%
Outstanding Heat Resistance: Withstands temperatures up to 1600℃, excellent thermal stability
Good Chemical Inertia: Resistant to acid and alkali corrosion, suitable for various chemical environments
High Mechanical Strength: Compressive strength ≥2000MPa, long service life
Precise Dimensional Control: Flatness ≤0.01mm/m, surface roughness Ra≤0.2μm
Parameter | Technical Indicators |
---|---|
Alumina Content | 96%/99%/99.6% |
Thermal Conductivity | 20-30W/(m·K) |
Porosity | 30-50% (filtration components) |
Filtration Accuracy | 0.1-100μm |
Compressive Strength | 2000-2800MPa |
Thermal Expansion Coefficient | 6.5-7.5×10⁻⁶/K |
Operating Temperature | -60℃ to 1600℃ |
Surface Roughness | Ra≤0.2μm |
Dielectric Strength | ≥15kV/mm |
Raw material selection → Formula optimization → Granulation forming → Isostatic pressing/injection molding → Precision machining → High-temperature sintering → Porosity regulation → Surface treatment → Performance testing → Vacuum packaging
Clean contact surfaces before installation to ensure no contaminants
Apply thermal grease to heat dissipation substrates to ensure good thermal contact
Pay attention to flow direction indicators when installing filtration components to avoid reverse installation
Operating temperature changes should be gradual to avoid thermal shock
Regularly check performance indicators and replace failed components promptly
18-month quality guarantee
Professional technical support team
36-hour rapid response
Free application technical guidance
Q: What are the advantages of alumina ceramic heat dissipation substrates compared to aluminum substrates?
A: They offer better insulation, higher heat resistance, and better matched thermal expansion coefficients, making them particularly suitable for heat dissipation in high-power devices.
Q: What is the service life of filtration components?
A: Depending on the usage environment, generally 6-24 months, and service life can be extended through backwashing.
Q: Is customization of porosity and filtration accuracy supported?
A: Yes, customized pore structures and filtration accuracy are available according to customer requirements.
Q: How to test the performance of heat dissipation substrates?
A: Thermal resistance can be measured using a thermal resistance tester, or temperature distribution can be observed using an infrared thermal imager.