Jundao (Henan) New Materials Co.,Ltd.
Jundao（Henan）New Materials Co.,Ltd.
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Refractory castable for torpedo tank good insulation effect high-temperature strength
The castables for torpedo tank include corundum aggregate, fine powder, SiC, kyanite, micropowder, composite antioxidants and composite additives.
The castable material has higher high-temperature strength under the premise of ensuring good flow performance and good bonding strength with the old brick surface, improving the slag-resistant iron oxidation erosion and scouring performance of the castable, and reducing the slag-hanging ability.
The construction performance and simple construction process can meet the needs of torpedo liner lining repair, reduce the incidence of bursting and peeling during baking, and have good thermal shock resistance.
| Item | Index | ||
| High alumina castable | Steel fiber reinforced castable | ||
| Al2O3 (%) ≥ | 65 | 70 | |
| Refractoriness (℃) ≥ | 1730 | 1790 | |
| Bulk density (g/cm3) ≥ | 110℃×24h | 2.5 | 2.6 |
| Cold crushing strength (MPa) ≥ | 110℃×24h | 40 | 30 |
| 1500℃×3h | 45 | ≥55 | |
| Linear change rate (%) | 1500℃×3h | ±0.5 | 0~1.0 |
| Steel fiber content (%) | / | ≥3 | |
| Application | Between permanent layer and working layer, metal mixer ends | Iron mouth | |
