Du-Co Ceramics manufactures 96% alumina ceramic components for demanding applications requiring excellent electrical insulation, high-temperature performance, wear resistance, and mechanical strength. Also known as dense aluminum oxide (Al₂O₃), 96% alumina is one of the most widely used technical ceramic materials because it offers an outstanding balance of performance and cost. Du-Co’s alumina ceramic products are used in electrical heating equipment, sensors, substrates, thermocouples, and other industrial applications where reliability and durability are critical.
Applications for 96% Alumina Ceramic
Du-Co’s 96% alumina ceramic components are commonly used in:
- Electrical heating elements
- Igniters
- Resistors
- Thermocouple cores and tubes
- Ceramic substrates
- Heat sinks
- Sensors
- Load banks
- Furnaces and ovens
- Electrical connectors
- Ceramic spacers
- High-temperature insulators
Mechanical, Electrical, Thermal and Physical Properties
| Material Grade | 96% Alumina Oxide |
| Physical Properties | |
| Water Absorption (%) | impervious:0.00 |
| Density (g/cc) | 3.7 |
| Color | White |
| Mechanical Properties | |
| Flexural Strength (1K PSI) | 60 |
| Compressive Strength (1K PSI) | 400 |
| Tensile Strength (1K PSI) | 25 |
| Hardness (Moh’s Scale) | 9 |
| Impact Resistance (Inch-Lbs.) | 7 |
| Electrical Properties | |
| Dielectric Strength (Volts/Mil) | 230 |
| Dielectric Constant (@1MHz) | 9.3 |
| Volume Resistivity 25 C (ohms-cm) | >1E14 |
| Loss Index (@1MHz) | 0.0028 |
| Thermal Properties | |
| C.O.T.E. (20-650 C) | 7.9 x 10-6 |
| Safe Operating Temperature (C) | 1550 |
| Thermal Conductivity (W/m-C) | 18 |
| Note: This information is for design guidance only. Du-Co will not guarantee this information as absolute values. Various geometries can affect properties | |
Need a High-Performance Alumina Ceramic Solution?
Du-Co Ceramics manufactures custom and standard 96% alumina ceramic components for demanding electrical, thermal, and industrial applications. Whether you need thermocouple components, substrates, electrical insulators, or custom-engineered ceramic parts, our team can help identify the right solution for your application. Contact us today to discuss your requirements or request a quote.