| Brand Properties |
HR-50S |
HR-55S |
HR-60S |
| Chemical Composition (%) |
Al2O3 |
20-30 |
20-30 |
20-30 |
| SiO2 |
13-25 |
13-25 |
13-25 |
| SiC |
40-55 |
45-60 |
50-65 |
| Max service temperature (¡ãC) |
1200 |
1200 |
1200 |
| Bulk density after burnt at 110¡ãC (g/cm3) |
¡Ý2.4 |
¡Ý2.4 |
¡Ý2.4 |
| Linear changing after burnt at 1200¡ãC¡Á3h (%) |
-0.2~ 0.4 |
0.1~ -0.4 |
0.1~ -0.4 |
| Compressive/Bending Strength (MPa) |
110¡ãC¡Á24h |
¡Ý80/¡Ý10 |
¡Ý80/¡Ý10 |
¡Ý80/¡Ý10 |
| 1200¡ãC¡Á3h |
¡Ý100/¡Ý15 |
¡Ý100/¡Ý15 |
¡Ý110/¡Ý15 |
| Max grain size of aggregate ( mm) |
5-6 |
5-6 |
5-6 |
| Water content for construction by weight ( % ) |
5-6 |
5-6 |
5-6 |
| Usage |
Preheater |
| Test standard |
YB/T5202-2003 |
| Packing |
25kg plastic bag |
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