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Low cement refractory castable
Numbering
Affiliate classification Low cement bonded fire-resisting casting material
Weight 0
Product Description
Product Overview:
Low cement bonded fire-resisting casting material is a high-quality Casting material with high-quality corundum and bauxite clinker as the main raw materials, high-efficiency water reducing agent and ultrafine powder, and pure calcium aluminate cement as the binder. According to the performance physical and chemical indicators, it is divided into two grades, DL-80 and DL-60.
Physical and chemical indicators：
| Item | DL-80 | DL-60 |
| Al2O3 % ≥ | 80 | 60 |
| CaO % ≤ | 2.5 | 2.5 |
| Refractory ℃ ≥ | 1780 | 1740 |
| Test temperature at which the linear change rate after burning is not more than ± 1%（Insulation3h） ℃ | 1500 | 1500 |
| Compressive strength at room temperature（110 ℃×24h） Mpa ≥ | 40 | 30 |
| Flexural strength at room temperature（110 ℃×24h） Mpa ≥ | 6 | 5 |