

Alumina Ceramic tube Description:
- Type:Alumina Ceramic tube one side open
- Material:Alumina tube
- Handle high temperatures:1600-1750°c
- Customize:If you need others size,we can customize as your size.We also offer cut free.E-mail us at info@labshopx.com
- Import duties or taxes are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Alumina Ceramic Tubes: Key Advantages and Applications
Alumina ceramic tubes offer a unique combination of properties beneficial across a wide range of industries. Here's a summary of key advantages and typical applications:
Key Advantages:
- High-Temperature Resistance: Withstands extreme temperatures and thermal shock.
- Chemical Inertness: Resists corrosion and chemical attack.
- Mechanical Strength: High strength and stiffness for demanding environments.
- Electrical Insulation: Excellent insulator for high-voltage applications.
- Purity & Biocompatibility: Low contamination, suitable for medical and food applications.
- Customizability: Available in various sizes, shapes, and configurations.
Applications & Corresponding Alumina Ceramic Tube Products:
- Metallurgy & Furnaces: Furnace tubes, thermocouple protection sheaths.
- Chemical Processing: Reaction tubes, piping, insulation components.
- Semiconductor Manufacturing: Insulators, wafer handling components, deposition tubes.
- Energy & Power Generation: Insulators, combustion chamber components.
- Research & Development: Crucibles, sample holders, specialized tubes.
- Aerospace & Defense: Engine components, insulation, structural parts.
- Glass & Ceramics Industry: Kiln furniture, thermocouple protection tubes.
This concise summary highlights the versatility of alumina ceramic tubes and their suitability for demanding applications across diverse industries.
Alumina Ceramic Tube Properties:
Propertiesof Alumina Ceramic | Item | Unit | Test Condition | Al2O3 Content | ||
---|---|---|---|---|---|---|
95% | 99% | 99.5% | ||||
Physical properties | Density | g/cm3 | - | >3.6 | 3.89 | 3.96 |
Moisture absorption | % | - | 0 | 0 | 0 | |
ROHS Hardness | - | - | ≥85 | ≥89 | ≥89 | |
Mechanical properties | Flexural strength | psiX103 | 20°C | 358 | 550 | 550 |
Compressive strength | psiX103 | 20°C | 2068(300) | 2600(377) | 2600(377) | |
Fracture toughness | Mpa.m3/2 | K(Ic) | 4.3 | 5.6 | 6 | |
Maximum use temperature | °C | - | 1450 | 1600 | 1650 | |
Thermal properties | Thermal expansion coefficient | 1X10-6/°C | (25-1000°C) | 7.6 | 7.9 | 8.2 |
Thermal shock resistance | °C | Tc | 250 | 200 | 200 | |
Thermal conductivity | w/m0k | 20°C | 16 | 30 | 30.4 | |
Volume resistivity | Ohm/cm2 | 100°C | >1013 | >1014 | >1014 | |
Electrical properties | Dielectric breakdown strength | KV/mm | - | 8.7(220) | 8.7(220) | 8.7(220) |
Dielectric constant | (E) | 1MHz25°C | 9 | 9.7 | 9.7 | |
Dielectric constant (100MHz) | (E) | - | 9.5 | - | - |