Antslab offers Alumina Ceramic Tubes with 95% purity, specially designed for moderate to high-temperature applications in laboratories, kilns, and industrial furnaces. These tubes are a cost-effective alternative to 99.5% alumina while still providing excellent thermal stability, corrosion resistance, and mechanical strength. Suitable for continuous operating temperatures up to 1500°C, our 95% Alumina Tubes are ideal for protecting thermocouple sensors and other sensitive components in harsh environments.
We offer a wide range of options in both open-ended and one-end closed tubes for diverse setups and applications.
Key Features
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High-temperature resistance up to 1500°C
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Moderate thermal shock resistance
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Good corrosion and chemical resistance
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Ideal for thermocouple protection
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Cost-effective compared to higher purity alumina
Chemical Analysis of Alumina Tubes (95%)
| Constituents | Value |
|---|---|
| Al₂O₃ (Min) | 95.0% |
| SiO₂ (Max) | 3.5% |
| Fe₂O₃ (Max) | 0.2% |
| Na₂O (Max) | 0.4% |
Physical Properties of Alumina Tubes (95%)
| Property | Value |
|---|---|
| Color | Cream/Ivory |
| Specific Gravity (g/cm³) | ~3.6 |
| Water Absorption | 0% |
| Max. Operating Temperature | 1500°C |
| Gas Permeability | Nil |
| Hardness (R45N) | ~78 |
| Chemical Resistivity | Good |
| Flexural Strength (N/mm²) | ~300 |
| Tensile Strength (N/mm²) | ~200 |
| CTE (RT–1400°C) x10⁻⁶/°C | ~7.8 |
Note: Values provided are based on standard test specimens. Properties may vary for custom geometries. This information is for general guidance only and should not be used as a specification.
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