Clay brick
Category:
Heavy refractory brick
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Details Introduction
Heavy clay bricks have characteristics such as low linear expansion coefficient and good thermal shock stability, and they have good corrosion resistance to acidic slag.
Product Description
Heavy clay bricks have characteristics such as low linear expansion coefficient and good thermal shock stability, and they have good corrosion resistance to acidic slag.
Physical and Chemical Indicators
| Item |
Indicator |
||
| PN-42 |
PN-40 |
PN-35 |
|
| Al2O3 % |
≥42 |
≥40 |
≥35 |
| Fe2O3 % |
≤2.0 |
≤2.0 |
≤2.5 |
| Apparent Porosity % |
≤20 |
≤24 |
≤26 |
| Bulk Density g/cm3 |
2.1~2.25 |
2.05~2.2 |
1.95~2.1 |
| Normal Temperature Compressive Strength MPa |
≥45 |
≥35 |
≥30 |
| 0.2MPa Load Softening Start Temperature ℃ |
≥1400 |
≥1350 |
≥1320 |
| Heating Permanent Linear Change % |
-0.4~0.1 |
-0.4~0.1 |
-0.4~0.1 |
Key words:
Clay brick
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