Product Overview
Our Alumina Ceramic Plate (Al₂O₃ Plate) is engineered for superior wear resistance, electrical insulation, and thermal stability, making it ideal for demanding industrial applications. Available in 96%, 99%, and 99.5% purity, these plates offer exceptional mechanical strength, corrosion resistance, and high-temperature performance (up to 1600°C).
Key Technical Specifications
✔ High Purity (96%-99.5% Al₂O₃) – Ensures excellent chemical stability & mechanical strength.
✔ Extreme Wear Resistance – Ideal for abrasive environments, extending component lifespan.
✔ Superior Electrical Insulation – High dielectric strength for electronics & power applications.
✔ Thermal Shock Resistance – Withstands rapid temperature changes without cracking.
✔ Customizable Sizes & Thickness – Machined to precision for various industrial uses.
Industry Applications
1. Electronics & Semiconductor Industry
Circuit Board Substrates – High-purity 99.5% Al₂O₃ ceramic plates provide excellent insulation for PCB bases.
Heat Sinks & Insulating Components – Efficient thermal management in high-power electronics.
2. Wear & Abrasion Protection
Chute Liners & Hopper Plates – Extends service life in mining and material handling.
Pump & Valve Components – Resists slurry erosion in chemical processing.
3. High-Temperature & Furnace Applications
Kiln Furniture & Sintering Trays – Stable at 1600°C+ for metal & ceramic sintering.
Thermocouple Protection Tubes – Ensures accurate readings in harsh environments.
4. Medical & Laboratory Equipment
Biocompatible Ceramic Inserts – Used in surgical tools & dental implants.
Chemical-Resistant Work Surfaces – Ideal for labs handling corrosive substances.
Why Choose Alumina Ceramic Plates?
✅ Custom Machining – Available in various sizes, thicknesses, and surface finishes.
✅ Strict QC Standards – ISO-certified manufacturing with precise dimensional tolerances.
✅ Global Shipping – Fast delivery to USA, Europe, and Asia.
Properties | Units | Steatite Ceramic | Cordierite Ceramic | Mullite Ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic | Silicon Nitride |
Colour | White | Yellow | White | White | Ivory | White | Grey | |
Density | g/cm3 | 2.7 | 1.9 | 2.6 | 3.5 | 3.85 | 6 | 3.2 |
Flexural Strength | Mpa | 140 | 30 | 120 | 280 | 340 | 1150 | 600 |
Compressive Strength | MPa | 900 | 350 | 500 | 2100 | 2200 | 2500 | 2500 |
Max Use Temperature | °C | 1000 | 1200 | 1300 | 1400 | 1650 | 1500 | 1800 |
Thermal Condutivity | W(m.K) | 2~3 | 1.3~1.8 | 2~6 | 16~28 | 19~30 | 2.5 | 20 |
Thermal Expansion Cofficient | 10-6/°C | 7 ~ 9 | 1.5~3.5 | 5~6 | 6.5~7.5 | 6~8 | 8~10 | 3~4 |
ThermalShock Resistance | △TC | 100 | 300 | 150 | 140 | 150 | 250 | 600 |
Specific Heat | J/kg.K | 850 | 800 | 900 | 950 | 950 | 500 | 500 |
Dielectric Strength | KV/mm | 20 | — | 30 | 12 | 10 | 5 | 20 |
Dielectric Constant | Er | 6 | — | 8 | 9 | 9 | 12 | 6 |
Product Advantages
● Certificates: ISO & SGS
● OEM & ODM: OEM & ODM service is available
● Strict testing procedures :Meeting the requirements of the product design and process, providing reliable testing data.
● Short Delivery time:If less than 1000 pieces, it only takes around 5 days. We also stock some standard-sized products, if you need urgently, we can delivery very soon.
● Best ex-factory price
● Worldwide customers
● Customized according to needs
● Continuous research and development of new products
● Customer service:If you find some quality problem, please contact us, we’ll deal with it as soon as possible.
Our customers have a wide range of processing choices for transportation mode.
Yixing Shengda Refractory Ceramic Co., Ltd, established in 1995, Yixing, China with an area of 4,000 square meters and fixed assets of over 1 million US dollars, is a professional manufacturer of Steatite Ceramic Parts, Alumina Ceramic Parts, Cordierite Ceramic Parts, Ceramic Band Heater Insulators, Ceramic Terminal Block, Thermostat Ceramic Parts, Zirconia Ceramics Parts, Ceramic Heater Plugs, etc.
Shengda Ceramic equipped with CAD/CAXA/Solidworks software to provide professional OEM & ODM service.
Looking forward to co-operating with the customers from all over the world!
