Refractory High Alumina Cement
Specifications
1.refractory mortar2.Through ISO: 9001 certification
3.alumina cement refractory cement for furnace
refractory high alumina cement
1).Using high purity raw materials and additives, use of superfine powder to add technology, sand machines, made to undergo a rigorous process of production.
2).The material have good structural stability and air tightness, and product physical and chemical properties, also has a good workability. Be with the same supporting the use of timber products.
The index for the product as below:
| High-strength corundum castable | Alumina bubble castable | |||
| KGYJ-97 | KGYJ-85 | KKJ-95 | KKJ-88 | |
| Al2O3 ,% ≥ | 97 | 85 | 95 | 88 |
| Bulk density g/cm3≥ | 3 | 2.9 | ≤ 1.7 | ≤ 1.6 |
| normal Temperature strength | 12 | 12 | ||
| MPa110×24h ≥ | 70 | 80 | ||
| 1100×3h≥ | 100 | 110 | ||
| hot bending strength MPa | 12 | |||
| (110×24h) ≥ | ||||
| linear change after heating | ±0.3 | ±0.5 | ±0.3 | ≤ 0.15 |
| (1500×3h) | (1200×5h) | |||
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