Highly Polished Alumina (Al2O3)Sheets
Inquiry NowProduct Description
M-Kube offers premium Alumina Polished Sheets engineered for applications requiring exceptional surface finish, high purity, and dimensional precision. Manufactured from high purity aluminum oxide (Al₂O₃), these high polished alumina sheets are widely used in semiconductor, electronics, optical, and advanced engineering applications.
Our alumina mirror finish sheets provide excellent electrical insulation, thermal stability, and wear resistance, making them ideal for precision-critical environments.
Key Features: Alumina Polished Sheet
- Manufactured from high purity alumina (up to 99.8%)
- Superior mirror finish surface quality
- Excellent electrical insulation properties
- High mechanical strength and wear resistance
- Outstanding thermal stability and corrosion resistance
- Low surface roughness for precision applications
- Available as fine polished alumina substrates and wafers
- Custom sizes, thicknesses, and surface finishes available
Typical Technical Specifications: Alumina Mirror Finish Sheets
| Alumina 99.8% | ||
| AL2O3 (% Composition) | 99.8 | |
| Density (g/cm3) | 3.83 | |
| Flexural Strength (MPa) | 340 | |
| Thermal Expansion (×10-6/) 25℃ – 800℃ | 7.6 | |
| Thermal Conductivity [W/(m.R)] | 34 | |
| Dielectric Strength (KV/mm) | 10 | |
| Resistivity (Ω.cm) | 20°C | *1014 |
| 300°C | *1013 | |
| Max Service Temperature (℃) | 1800 | |
| Hardness (Moh’s scale) | 9 | |
Applications of Alumina Polished Sheets
- Semiconductor & Electronics Industry
Alumina wafer polished sheets and substrates for IC packaging and electronic circuits. - Optics & Photonics
Alumina mirror finish sheets for precision optical and laser applications. - Medical & Laboratory Equipment
High purity alumina polished sheets for analytical and diagnostic equipment. - Industrial & Mechanical Applications
Wear-resistant plates, seals, and precision engineering components.
Why Choose M-Kube
- Trusted supplier of high polished alumina sheets in Australia
- Expertise in custom polished alumina sheet manufacturing
- High purity options including 99.7% alumina polished sheet
- Tight tolerances for semiconductor and optical applications
- Reliable supply with consistent quality
All M-Kube ceramic and refractory products are manufactured in ISO-certified facilities and tested in accordance with relevant ASTM standards. This ensures each component meets global benchmarks for quality, consistency, and material performance.
Buy Alumina Polished Sheets in Australia – Request a Quote
Looking for alumina high polished sheets, mirror finish alumina substrates, or custom polished alumina wafers?
📞 Call +61-478-594-746
📧 Email info@mkube.com.au
👉 Contact M-Kube today to discuss your alumina polished sheet requirements and get a custom quote.
Product FAQ's
What is the difference between polished and mirror finish alumina sheets?
High polished alumina sheet → smooth surface for general precision use
Alumina mirror finish sheet → ultra-smooth surface for optical-grade applications
Can I get a custom polished alumina sheet?
Yes, manufacturers offer custom polished alumina sheet solutions with:
- Specific dimensions and thickness
- Required surface roughness
- Machined features
What sizes are available for alumina polished sheets?
Alumina high polished sheet products are available in:
- Thin wafers to thick plates
- Standard and custom dimensions
What affects the price of alumina polished sheets?
Alumina high polished sheet price depends on:
- Purity level (e.g., 99.7% alumina polished sheet)
- Surface finish (polished vs mirror finish)
- Size and thickness
- Customization requirements
How can I prevent damage to alumina wafer polished sheets?
To protect alumina wafer polished sheets:
- Handle with care
- Avoid sudden temperature changes
- Use proper mounting techniques
Related products
- Phone: +61-478-901-616
- Address:
8 Adaluma Ave,
Pooraka SA 5095,
Australia - Email: info@mkube.com.au