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| 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 | 
View Detail Information
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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 | Multi Bore Alumina Tubes ,Wear Resistant Alumina Tubes ,Multi Bore Al2O3 Tube | ||
Product Description
Manufacturer of multi-bore alumina tubes (Al2O3 95%-99.8%). Excellent wear resistance, high temperature stability (up to 1750°C). Custom sizes OD 1-100mm for semiconductor and industrial applications.
Multi-Bore Alumina Tubes: Superior Wear Resistance for Demanding Applications
Our multi-bore alumina ceramic tubes are engineered for extreme environments where wear resistance, thermal stability, and electrical insulation are critical. With purity levels from 95% to 99.8% Al2O3 and customizable configurations, these tubes provide reliable performance in semiconductor processing and industrial applications.
Product Overview
Multi-bore alumina tubes represent advanced technical ceramics with exceptional properties:
Excellent electrical insulation (>10¹⁴ Ω-cm)
Outstanding wear and corrosion resistance
High temperature stability (up to 1750°C)
Low thermal expansion coefficient
Custom multi-bore configurations
Technical Specifications
Multi-Bore Tubes Specific Properties:
Outside Diameter: 1-100 mm (customizable)
Material: Al2O3 Aluminum Oxide
Purity Options: 95%, 97%, 99%, 99.8%
Density: 3.8-3.9 g/cm³
Color: White/Ivory
Standard Alumina Ceramic Properties:
| Parameter | Unit | AL97 (95%) | AL98 (99.8%) | 
|---|---|---|---|
| Al₂O₃ Purity | % | 97 | 99.8 | 
| Flexural Strength | Kpsi | 55 | 60 | 
| Compressive Strength | Kpsi | 300 | 330 | 
| Hardness | GPa | 13.8 | 18 | 
| Max Working Temperature | °C | 1500 | 1750 | 
| Dielectric Strength | KV/mm | 16 | 20 | 
Primary Applications
Semiconductor & Electronics:
CVD (Chemical Vapor Deposition) components
Ion implant parts
Photolithography equipment
Semiconductor processing fixtures
Industrial Applications:
Thermocouple protection tubes
Wear-resistant liners and guides
High-temperature insulators
Hydraulic and mechanical components
Gas nozzles and injector systems
Key Advantages
Exceptional Durability: Superior wear resistance extends component lifespan
Thermal Stability: Maintains structural integrity from room temperature to 1750°C
Chemical Inertness: Resists corrosion from most acids and alkalis
Electrical Insulation: High dielectric strength and volume resistivity
Custom Manufacturing: Available in various bore configurations, diameters, and lengths
Quality Assurance & Packaging
Every multi-bore alumina tube undergoes rigorous quality control to ensure dimensional accuracy and performance specifications. We employ specialized packaging solutions including:
Protective cushioning materials
Reinforced outer packaging
Vacuum packing for fragile components
Custom crating for large or complex shapes
Customization Services
We provide tailored solutions for specific application requirements:
Custom bore configurations and patterns
Specialized diameters and wall thicknesses
Specific purity levels (95% to 99.8% Al₂O₃)
Modified surface finishes and tolerances
Quality Control

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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