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high quality,best service and competitive price
We offers 95% - 99.7% High Purity Alumina Tubes. They are produced by slip casting, available as Closed One End or Open Both Ends round single bore tubes. Available Tube Diameter From 2 mm to 150 mm, tube length from 25mm to 2500mm.
Our protection tubes offer extreme high temperature stability under reducing, insert and high vacuum condition up to 1700C (99.7%). They also provide extreme wear, abrasion and chemical corrosion resistance under high temperature. Composition | Unit | 95 | 992 | 997 | AL2O3 | % | 95 | 99.2 | 99.7 | Density | g/cc | 3.68 | 3.82 | 3.85 | Flexural | Mpa | 304 | 340 | 370 | Linear Expansion Coefficient | (×10-6/)(25-800) | 7.4 | 7.6 | 7.7 | Hardness | Mohs Scale | 9 | 9 | 9 | Thermal Contduct | cal/cm 2 | 0.048 | 0.051 | 0.054 | Max Working Temperture | °C | 1480 | 1650 | 1700 | Color | -- | Red | Ivory | Ivory | Volume Resistivity | Ohm-cm (x10 12 ) | 1.8 | 3.2 | 3.4 | Porosity | -- | 0 | 0 | 0 | Dielectric Constant | -- |
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