The special castable for tertiary air duct is composed of high-strength aggregate and powder mineral additives.
The special castable for tertiary air duct is composed of high-strength aggregate and powder mineral additives. After optimized formula design, it has low wear resistance, high strength, arbitrary controllable shape, strong integrity, simple construction, and good construction performance. Due to high addition Molecular polymer makes the base concrete bond firmly. Special castable for tertiary air duct is the first choice for construction parts with wear resistance requirements.
| Item | YH-15F | YH-16F | YH-18F | |
| Al2O3(%) | 65 | 70 | 80 | |
| Bulk Density | 110℃×24h | 2.6 | 2.7 | 2.8 |
|
Flexural strength(Mpa)
|
110℃×24h | 11 | 12 | 13 |
| 1400℃×3h | 11 | 12 | 13 | |
|
Compressive strength(Mpa)
|
110℃×24h | 90 | 100 | 120 |
| 1400℃×3h | 90 | 100 | 120 | |
| Linear change rate(%) | 1400℃×3h | ±0.5 | ±0.5 | ±0.5 |
| Maximum service temperature | 1450 | 1450 | 1600 | |
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