Corundum Based Refractory Castable
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Technical Indicators of Corundum Based Refractory Castable
| Product number | |||||||
| Properties | |||||||
| Chemical composition (%) | Al2O3 | ≥94 | ≥90 | ≥94 | ≥93 | ≥90 | ≥93 |
| SiO2 | ≤0.5 | ≤5 | ≤0.5 | ≤5 | ≤4 | ≤0.5 | |
| Fe2O3 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.1 | |||
| Refractoriness (ºC) | 1700 | 1650 | 1700 | 1650 | 1650 | 1700 | |
| Bulk density (g/cm 3) (110ºC*24h ) | ≥2.9 | ≥3.0 | ≥2.8 | ≥3.0 | ≥2.9 | ≥2.9 | |
| Linear expansion rate (%) (1100ºC*3h) | 0.1~0.5 | ﹣0.1~﹣0.5 | 0.1~0.5 | ﹣0.1~﹣0.5 | 0~﹣0.4 (1100℃*3h) | 0~﹣0.3 (1100℃*3h) | |
| Fracture resistance (Mpa) | 110℃*24h | ≥80/ ≥8 | ≥90/ ≥10 | ≥70/ ≥7 | ≥100/ ≥10 | ≥80/ ≥ 10 | ≥70/ ≥7 |
| 1100℃*3h | ≥100/ ≥12 | ≥100/ ≥15 | ≥90/ ≥10 | ≥110/ ≥12 | ≥110/ ≥20 | ≥100/ ≥15 | |
| 1500℃*3h | ≥120/ ≥20 | ≥150/ ≥20 | ≥100/ ≥15 | ≥140/ ≥20 | |||
| Maximum grain size (mm) | 5~8 | 5~8 | 5~8 | 5~8 | 3 | 3 | |
| Water consumption (%) (weight ratio) | 5~6.5 | 5~6 | 5.5~7 | 4~5 | 6~8 | 5.5~7.5 | |
| Applications | Large scale cement kiln outlet, three channel coal burner, etc. | Large scale cement kiln outlet, cooling machine elbow | Large scale cement kiln outlet | Large scale cement kiln crown, chamber, outlet, coal burner, etc. | Abrasive lining of cyclone separator of oil catalytic cracking unit | Abrasive lining of cyclone separator of oil catalytic cracking unit | |
| Inspection standard | YB/T5202-2003 | ||||||
| Packaging | 25kg plastic woven bag with inner film | ||||||
Related Names
High Alumina Based Castable Refractory | Unshaped Refractory Material
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