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Properties:
Alumina ceramic roller has good high temperature resistance, hardness and carrying
capacity is very strong, Alumina ceramic tube is widely used in high temperature furnace.
Alumina ceramic tube can be used to fire wall tile, glazed floor tile, sanitary ware and so on. Max working
temperature can be 1400℃.
Application:
Transformer and supporter of roller kiln.
Other thermal and abrasive application.
Item | Unit/Item | ST-78 | ST-75 | ST-73 |
Al2O3 | % | 78 | 75 | 73 |
Rate of Water Absorption | % | 7 | 8 | 9.5 |
Anti-Bending strength | Mpa | ≥82 | ≥68 | ≥55 |
Bulk Density | g/cm3 | ≥2.7 | ≥2.6 | ≥2.5 |
Thermal expansion | ×10-6/℃ | 5.7 | 5.5 | 5.3 |
Max service temperature | ℃ | 1350 | 1250 | 1200 |
