Shaanxi KeGu New Material Technology Co., Ltd
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 2,000 pcs/month |
| Packaging Details | Strong wooden box for Global shipping |
| Material | SiC |
| Composition:SiC | ＞85% |
| Color | Black |
| Density | ≥3.65g/cm3 |
| Max. Service Temp | 1380℃ |
| Flexural Strength | 250MPa |
| Hardness | ≥84HRA |
| Water Absorption | ≤0.2% |
| Abrasion | < 0.02% |
| Bending strength | ≥290MPa |
| Brand Name | KEGU |
| Place of Origin | China |
| Model Number | Customizable |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 2,000 pcs/month |
| Packaging Details | Strong wooden box for Global shipping | Material | SiC |
| Composition:SiC | ＞85% | Color | Black |
| Density | ≥3.65g/cm3 | Max. Service Temp | 1380℃ |
| Flexural Strength | 250MPa | Hardness | ≥84HRA |
| Water Absorption | ≤0.2% | Abrasion | < 0.02% |
| Bending strength | ≥290MPa | Brand Name | KEGU |
| Place of Origin | China | Model Number | Customizable |
| High Light | 99.8% Al2O3 High Alumina Ceramic ，Metallized High Alumina Ceramic ，High Whiteness Metallized Ceramics | ||
Product Description
99.8% Al2O3 metallized ceramics for high-voltage insulation (126kV-1000kV). Ultra-white, low sodium content, optimized for SF6 circuit breakers & GIS. Custom formulations available.
99.8% High-Purity Alumina Ceramics for High-Voltage Electrical Insulation
Engineered for critical high-voltage applications, our 99.8% Al2O3 alumina ceramics provide superior electrical insulation and mechanical stability in demanding environments from 126kV to 1000kV systems. These ultra-white, low-sodium ceramics are specifically formulated for SF6 circuit breakers, GIS insulation, and epoxy resin casting systems.
Key Electrical Insulation Properties
Ultra-High Purity: 99.8% Al2O3 content with controlled impurity levels (Na₂O ≤ 0.20%)
Superior Dielectric Performance: Low conductivity (40-100 μS/cm) ensures reliable insulation
Optimized Processing: Controlled viscosity (3000 cp) and pot life for seamless epoxy resin integration
Precision Engineering: Tight particle size distribution (D50: 3-22μm) for consistent performance
Technical Specifications - Electrical Grade Alumina
| Parameter | ALF-02 Series | ALF-03 Series | ALF-09/10 Series | Unit |
|---|---|---|---|---|
| Al₂O₃ Content | ≥ 99.8 | ≥ 99.8 | ≥ 99.8 | % |
| Na₂O Content | ≤ 0.10 | ≤ 0.15-0.20 | ≤ 0.04-0.05 | % |
| Particle Size (D50) | 12-21 | 10-18 | 3-15 | μm |
| Conductivity | ≤ 40 | ≤ 80 | ≤ 80-100 | μS/cm |
| Pot Life | 50-65 | 60-95 | 100-200 | min |
Critical High-Voltage Applications
SF6 Circuit Breakers: 126kV-550kV insulation components
Gas Insulated Switchgear (GIS): Primary insulation for 126kV-1000kV systems
High-Voltage Cable Accessories: Insulation and filling for cable joints
Transformer Components: Mutual inductor GIS insulation
Electrical Bushings & Insulators
Material Advantages for Electrical Systems
Enhanced Reliability
Consistent dielectric properties across temperature variations
Excellent compatibility with epoxy resin casting systems
Minimal ionic contamination for long-term stability
Manufacturing Efficiency
Predictable rheology for automated production processes
Multiple grades tailored to specific potting system requirements
Custom formulations available for specialized applications
Custom Electrical Solutions
We provide tailored alumina formulations to match your specific:
Epoxy resin system compatibility requirements
Voltage class specifications (126kV to 1000kV)
Processing parameters and production workflows
Request Electrical-Grade Alumina Samples
Our technical team can help select the optimal ALF series grade for your high-voltage insulation application.
Contact us for technical datasheets and sample evaluation to verify performance in your specific electrical system.
Company Details
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
800-850
Employee Number:
60~70
Ecer Certification：
Verified Supplier
Founded in 2017, Kegu is a leading advanced materials developer based in China’s Xixian New District, Qinhan New City—strategically positioned near major transport links including the Xianyang East Expressway. With a registered capital of 35.5 million RMB (approx. 5 million USD), we o... Founded in 2017, Kegu is a leading advanced materials developer based in China’s Xixian New District, Qinhan New City—strategically positioned near major transport links including the Xianyang East Expressway. With a registered capital of 35.5 million RMB (approx. 5 million USD), we o...
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