Product Name: Aluminum Oxide Ceramic Insulator
Product Material: High-purity Aluminum Oxide (Al₂O₃ 95%-99.5%)
Material Characteristics: High insulation strength, high temperature resistance, high mechanical strength, good thermal stability, and corrosion resistance
Application Fields: High-voltage insulation support, vacuum sealing interface, high-temperature sensor protection, circuit board
Application Industries: Power equipment, electronic appliances, aerospace, new energy, industrial electric furnaces
Processing Challenges: Complex structure forming, strength of thin-walled parts, adhesion of metalization layer, dimensional accuracy control
Processing Flow: Powder processing → Spray granulation → Dry pressing/injection molding → High-temperature sintering → Precision machining → Metalization treatment → Inspection and packaging
Delivery Time: 25-35 , 40-50 days for special structures
Alumina Ceramic Insulators are precision-engineered components designed for applications requiring exceptional electrical insulation, reliable performance in high-voltage environments, and long-term stability under extreme conditions. Manufactured from high-purity aluminum oxide (Al₂O₃), these insulators deliver superior performance in electrical isolation applications, outperforming traditional insulating materials through their excellent dielectric strength, thermal stability, and mechanical reliability.
Key Features:
Exceptional Electrical Insulation - High volume resistivity (>10¹⁴ Ω·cm) provides outstanding insulation performance, ensuring safe and reliable operation in high-voltage applications, significantly reducing electrical leakage risks.
Excellent Thermal Stability - Withstands continuous operation at temperatures up to 1600°C while maintaining electrical properties and structural integrity, suitable for high-temperature electrical systems and heating elements.
Superior Mechanical Strength - High compressive strength (2000 MPa) and flexural strength (300 MPa) ensure structural reliability in demanding applications where both electrical insulation and mechanical support are required.
Outstanding Dielectric Strength - Withstands high voltage gradients (>15 kV/mm), providing reliable insulation protection in power distribution equipment and high-voltage systems.
Excellent Chemical Resistance - Highly resistant to most acids, alkalis, and corrosive gases, ensuring long-term performance stability in harsh industrial environments where chemical exposure is common.
Precision Dimensional Control - Maintains tight tolerances (±0.1 mm) on critical dimensions, ensuring perfect fit and reliable performance in precision electrical assemblies and equipment.
