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The main products are contents:mullite light-weight brick，high-temperature bonder and indeterminate from fireproofing material etc.
classification
Application：
The high-alumina brick combined with phosphate is used for the preheating zone, high- temperature zone and tuyere brick of cement ring kiln and shaft kiln.
Feature：
This product is of high strength, strong wear resistance, favorable thermal shock resistance, which is suitable to all kinds of cement kiln and with good applied effect.
Physical and chemical indicators:
| ?Name of commodity Performance and index |
Hh-65 | Hh-75 | |
| AL2O3 %＞ | 65 | 75 | |
| Fe2O3 %＜ | 3.0 | 2.5 | |
| CaO %＜ | 0.6 | 0.4 | |
| Crushing strength under high temperature MPa≥ | 70 | 80 | |
| Bulk densityg／cm3≥ | 2.7 | 2.8 | |
| Refractoriness ℃≥% | 1750 | 1730 | |
The actual parameters can be adjusted according to the requirements of users.