| Brand Properties |
HR-19H |
HR-19B |
HR-19K |
| Chemical Composition (%) |
Al2O3 |
¡Ý95 |
¡Ý95 |
¡Ý93 |
| SiO2 |
¡Ü0.5 |
¡Ü0.5 |
¡Ü0.5 |
| Cr2O3 |
2-3 |
2-3 |
4-5 |
| Max service temperature (¡ãC) |
1900 |
1900 |
1900 |
| Bulk density after burnt at 1500¡ãC (g/cm3) |
¡Ý3.0 |
¡Ý3.0 |
¡Ý3.0 |
| Linear changing after burnt at 1500¡ãC¡Á3h (%) |
¡À0.5 |
¡À0.5 |
¡À0.5 |
| Compressive/Bending Strength (MPa) |
110¡ãC¡Á24h |
¡Ý50/¡Ý6 |
¡Ý25/¡Ý5 |
¡Ý40/¡Ý6 |
| 1100¡ãC¡Á3h |
¡Ý50/¡Ý7 |
- |
¡Ý50/¡Ý7 |
| 1500¡ãC¡Á3h |
¡Ý100/¡Ý15 |
¡Ý85/¡Ý16 |
¡Ý100/¡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 |
Hard carbon black reaction kiln |
| Test standard |
YB/T5202-2003 |
| Packing |
25kgs Plastic bag |
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