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Phosphate bonded refractory castable
Numbering
Affiliate classification Phosphate bonded fire-resisting casting material
Weight 0
Product Description
Product Overview:
Phosphate bonded fire-resisting casting material is a high-quality Casting material that uses high-quality high-alumina bauxite as the main raw material, adds ultrafine powder, and uses a phosphoric acid solution as a binder. According to the performance physical and chemical indicators, it is divided into three grades: LL-75, LL-60 and LL-45.
Physical and chemical indicators：
| Item | LL-75 | LL-60 | LL-45 |
| Al2O3 % ≥ | 75 | 60 | 45 |
| Refractory ℃ ≥ | 1780 | 1740 | 1700 |
| Test temperature at which the linear change rate after burning is not more than ± 1%（Insulation3h） ℃ | 1500 | 1450 | 1350 |
| Compressive strength at room temperature（110 ℃×24h） Mpa ≥ | 30 | 25 | 20 |
| Flexural strength at room temperature（110 ℃×24h） Mpa ≥ | 5 | 4 | 3.5 |