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Corundum mullite castable
Corundum mullite castable has high high-temperature strength, good resistance to thermal shock and structural peeling, good thermal shock resistance,
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Corundum mullite castable has high high-temperature strength, good resistance to thermal shock and structural peeling, good thermal shock resistance, high load softening temperature, low high-temperature creep rate, and good chemical corrosion resistance. It is widely used in large and medium-sized cement kiln mouths, coal injection pipes, kiln head covers, cooling machine low walls, etc.
Performance indicators of corundum mullite castable
| product name | Corundum mullite refractory castable | |||
|---|---|---|---|---|
| brand | KR-GMJ180 | KR-GMJ18S | KR-GMJ17S | |
| Chemical composition (%) | Al2O3(%) | ≥93 | ≥90 | ≥85 |
| SiO2(%) | ≤0.5 | 5~7 | 8~15 | |
| CaO(%) | ≤4.0 | 1.5～2.0 | 1.5～2.0 | |
| Bulk density (110 ℃) (kg/m3) | 2900 | 3100 | 2800 | |
| Cold compression strength (Mpa) | 110℃×24h | ≥80 | ≥100 | ≥100 |
| 1000℃×3h | ≥80 | ≥120 | ≥110 | |
| 1500℃×3h | ≥100 | ≥1200 | ≥120 | |
| Flexural strength (Mpa) | 110℃×24h | ≥8 | ≥15 | ≥15 |
| 1000℃×3h | ≥8 | ≥20 | ≥16 | |
| 1500℃×3h | ≥9 | ≥20 | ≥18 | |
| Line change rate (%) | 1100℃×3h | -0.2 | -0.4 | -0.4 |
| 1500℃×3h | ±0.5 | -0.5 | ±0.5(1300℃) | |
| Maximum operating temperature (℃) | 1800 | 1750 | 1650 | |
| Construction reference water consumption (%) | 6~8 | 4.5～5.5 | 5.0～6.0 | |
| Used Part | Large and medium-sized cement kiln mouths, coal injection pipes, kiln head covers, etc. | Medium sized cement kiln mouth and coal injection pipe; Cooling machine, low wall, etc |
Product display of corundum mullite castable
Construction case of corundum mullite castable
Experienced construction team with over 10 years of construction experience
Dedicated line delivery, fast delivery, greatly reducing transportation cycle
Regular follow-up visits by the after-sales team
24-hour rapid response and 48 hour on-site arrival
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