Precision Ceramic Solutions for High-Voltage & Electrical Insulation
Direct-factory precision diamond grinding and multi-axis micro-machining of advanced technical ceramics engineered with exceptional dielectric strength, low dissipation factors, and supreme thermal stability.
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Key Technical Performance
High dielectric strength (≥15 kV/mm), exceptional volume resistivity (>10¹⁴ Ω·cm), strict linear dimensional controls down to ±0.003 mm, zero open porosity for gas-tight vacuum reliability, calibrated CMM validation reports, and 100% strict legal NDA compliance.
Critical Applications
Precision-machined ceramic components for electrical insulation systems
High-Voltage & Power Transmission
High-Voltage Vacuum Interrupter Ceramic Bushings, Gas-Tight Vacuum Feedthrough Insulator Sleeves, High-Rigidity Busbar Supports, and Custom Machined Switchgear Insulation Components.
Electronic Substrates & Packaging
High-Thermal Aluminum Nitride (AlN) Substrates, Custom Fine-Pitch IC Chip Carrier Trays, Hybrid Circuit Dielectric Package Bases, and High-Power IGBT Module Thermal Spacers.
Vacuum & Plasma Sub-systems
Vacuum Process Chamber Viewport Ceramic Rings, High-Dielectric Plasma Processing Electrode Isolators, Sub-Micron Flatness Vacuum Feedthrough Connectors, and Custom Micro-Feature Machined Insulator Shields.
EV & High-Power Automotive Electronics
High-Voltage EV Battery Pack Isolation Components, Precision Automated Testing Socket Matrix Plates, High-Temperature Sensor Cavity Housings, and Fine-Pitch Custom Relay Ceramic Core Insulators.
Dielectric Properties Comparison
Reference data for electrical insulation material selection at room temperature
| Material | Dielectric Strength | Volume Resistivity | Dielectric Constant (@1MHz) |
|---|---|---|---|
| Alumina 95% Grade | 15 – 18 kV/mm | > 10¹⁴ Ω·cm | 9.0 – 9.5 |
| Alumina 99.5% Grade | 18 – 20 kV/mm | > 10¹⁴ Ω·cm | 9.5 – 10.0 |
| Aluminum Nitride (AlN) | 15 – 18 kV/mm | > 10¹⁴ Ω·cm | 8.5 – 9.0 |
| Zirconia (ZrO₂ YSZ) | 10 – 12 kV/mm | > 10¹² Ω·cm | 28.0 – 30.0 |
Precision Ceramic Components for Electrical Insulation Systems
Validate Your Industry-Specific Ceramic Component Blueprint
Ready to submit your engineering drawings for factory-direct evaluation? Upload your 2D blueprints or 3D CAD files (.STEP / .IGS) right below. Our Dongguan tech team will conduct an extensive design-for-manufacturability (DFM) review and output an accurate, competitive factory quote within 24 hours. Regular sample prototyping completed in 7-10 business days with full FAI/OQC reports. 🔒 100% Strict NDA Protection Legally Guaranteed.
Ready to Start Your Ceramic Component Project?
Send us your 2D drawings, 3D CAD files (.STEP / .IGS) or physical samples. Our engineering team will review manufacturability and return a competitive direct-factory quotation. Full NDA protection.
Email: james@korecera.com
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