High refractoriness
Quality assurance
Good effect
High Alumina Brick For Resistance Furnace
Description
Specification
| Index | |||
|---|---|---|---|
| Al2O3 (%) | ≥65 | ≥55 | ≥48 |
| Refractoriness (℃) | 1790 | 1770 | 1750 |
| 0.2MPa load softening start temperature (℃) | 1500 | 1470 | 1420 |
| Apparent porosity (%) | ≤23 | ≤26 | ≤28 |
| Normal temperature compressive strength MPa | ≥45 | ≥40 | ≥35 |
Application
High alumina bricks for resistance furnaces are mainly used for refractory layers of high temperature heat treatment furnaces, resistance wire or resistance band bricks, thermocouple conduits, muffle furnace cores, etc.
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