99.8% High Purity Alumina Ceramic for Electrical Insulation in 126kV-1000kV Systems
Basic Properties
Place of Origin:
China
Brand Name:
KEGU
Model Number:
Customizable
Trading Properties
Price:
200-500 yuan/kg
Payment Terms:
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability:
2,000 pcs/month
Product Summary
99.8% High Alumina Ceramic for Electrical Insulation | High-Voltage Switchgear & GIS Components 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. ...
Product Details
Highlight:
99.8% Al2O3 High Alumina Ceramic
,Metallized High Alumina Ceramic
,High Whiteness Metallized Ceramics
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
Product Description
99.8% High Alumina Ceramic for Electrical Insulation | High-Voltage Switchgear & GIS Components
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.
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.
Miss. Scarlett.S
Deputy Head of Foreign Trade Department
- Email: scarlett.s@kegugroup.com
- Tel: 8616602956098
- WhatsApp: 8613390790728
-
WeChat:
Scarlettseren533
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