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High-purity Al₂O₃ ceramic tubes engineered for semiconductor processing and industrial applications requiring exceptional wear resistance and thermal stability up to 1750°C.
Product Overview
Our multi-bore alumina ceramic tubes deliver superior performance in extreme environments where wear resistance, thermal stability, and electrical insulation are critical requirements.
Key Material 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 available
Technical Specifications
Multi-Bore Tube 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
Customization Services
We provide tailored solutions for specific application requirements including:
Custom bore configurations and patterns
Specialized diameters and wall thicknesses
Specific purity levels (95% to 99.8% Al₂O₃)
Modified surface finishes and tolerances
Quality Assurance
Every multi-bore alumina tube undergoes rigorous quality control to ensure dimensional accuracy and performance specifications. Our specialized packaging solutions include protective cushioning materials, reinforced outer packaging, vacuum packing for fragile components, and custom crating for large or complex shapes.
