Physical and chemical indexes of products
Refractory materials with different indicators can be customized according to demand. Call 400-188-3352 for detailsCorundum castable has the advantages of high strength, strong abrasion resistance and erosion resistance, thermal shock resistance and corrosion resistance, and good airtightness.| Project | Target | |||
| GY90 | GY95 | GY98 | ||
| Al2O3 % | ≥90 | ≥95 | ≥98 | |
| SiO2 % | ≤6 | ≤0.5 | ≤0.2 | |
| CaO % | ≤2 | ≤1.5 | ≤1.0 | |
| Bulk density g/cm3 | ≥3.0 | ≥3.0 | ≥3.1 | |
| Bending strength at room temperature MPa | 110℃×24h | ≥12 | ≥11 | ≥9 |
| 1500℃×3h | ≥15 | ≥13 | ≥11 | |
| Normal temperature compressive strength MPa | 110℃×24h | ≥100 | ≥90 | ≥85 |
| 1500℃×3h | ≥120 | ≥110 | ≥100 | |
| Heating permanent line change % 1500℃×3h | ±0.5 | ±0.5 | ±0.5 | |
| Maximum service temperature ℃ | 1650 | 1700 | 1800 | |
| Note: 1. 2% stainless steel heat-resistant fiber can be added according to the use situation. 2. The performance and technical indicators can be adjusted according to the service conditions. | ||||
