SHANGHAI FAMOUS TRADE CO.,LTD
| Payment Terms | T/T |
| Delivery Time | 2-4 Weeks |
| Material | Alumina Ceramic (Al₂O₃) |
| Size | 310 × 310 mm |
| Thickness | 0.5 – 10 mm (customized) |
| Density | 3.6 – 3.9 g/cm³ |
| Thermal Conductivity | 20–30 W/m·K |
| Dielectric Strength | ≥10–15 kV/mm |
| Flexural Strength | ≥300–350 MPa |
| Flatness | ≤0.05–0.10 mm |
| Brand Name | ZMSH |
| Place of Origin | SHANGHAI,CHINA |
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Product Specification
| Payment Terms | T/T | Delivery Time | 2-4 Weeks |
| Material | Alumina Ceramic (Al₂O₃) | Size | 310 × 310 mm |
| Thickness | 0.5 – 10 mm (customized) | Density | 3.6 – 3.9 g/cm³ |
| Thermal Conductivity | 20–30 W/m·K | Dielectric Strength | ≥10–15 kV/mm |
| Flexural Strength | ≥300–350 MPa | Flatness | ≤0.05–0.10 mm |
| Brand Name | ZMSH | Place of Origin | SHANGHAI,CHINA |
Alumina Ceramic Heat Sink Plate 310×310mm Al₂O₃ Thermal Management Substrate
The 310 × 310 mm Alumina Ceramic Heat Sink Plate is a large-format thermal management substrate manufactured from high-purity Al₂O₃ ceramic material. Designed for high-power and high-reliability environments, it combines efficient heat dissipation, excellent electrical insulation, and long-term thermal stability in a single engineered component.
Compared with conventional metal heat sinks, alumina ceramic provides superior dielectric performance, excellent corrosion resistance, and stable operation under high-voltage and high-temperature conditions.
This ceramic thermal plate is widely used in power electronics, semiconductor equipment, LED modules, RF systems, and industrial heat dissipation applications where both heat transfer and insulation are critical.
| Item | Specification |
|---|---|
| Material | Alumina Ceramic (Al₂O₃) |
| Size | 310 × 310 mm |
| Thickness | 0.5 – 10 mm (customized) |
| Density | 3.6 – 3.9 g/cm³ |
| Thermal Conductivity | 20–30 W/m·K |
| Dielectric Strength | ≥10–15 kV/mm |
| Volume Resistivity | ≥10¹⁴ Ω·cm |
| Flexural Strength | ≥300–350 MPa |
| Hardness | ≥80 HRA |
| Surface Roughness | Ra ≤0.4–0.8 μm |
| Flatness | ≤0.05–0.10 mm |
| Color | Ivory / White |
Power ElectronicsWe provide multiple alumina purity options according to application requirements:
| Material Grade | Features | Typical Application |
|---|---|---|
| 95% Al₂O₃ | Cost-effective industrial grade | General thermal management |
| 96% Al₂O₃ | Enhanced mechanical properties | Electronic insulation systems |
| 99% Al₂O₃ | High purity and improved stability | Semiconductor & precision equipment |
Custom machining services are available according to drawings or specifications:
OEM and custom fabrication services are supported.
Each ceramic heat sink plate undergoes strict inspection before shipment:
100% dimensional inspection
Flatness verification
Surface crack inspection
Defect and edge quality check
Packaging:
Shock-proof protective foam + export-grade carton packaging to ensure safe international transportation.
Aluminum has higher thermal conductivity, but alumina ceramic offers much better electrical insulation, corrosion resistance, and high-temperature stability. It is ideal for applications where conductive metal heat sinks cannot meet safety or reliability requirements.
Yes. We support CNC machining, laser cutting, drilling, grooves, and custom geometries based on customer drawings.
Yes. High-purity alumina ceramics maintain excellent structural stability under elevated temperatures and harsh environments. Proper installation design can ensure long-term service reliability.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company
Year Established:
2013
Total Annual:
1000000-1500000
Ecer Certification：
Verified Supplier
SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel... SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel...
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