Physical and chemical indexes of products
Refractory materials with different indicators can be customized according to demand. Call 400-188-3352 for detailsIt has the characteristics of high pressure resistance, high wear resistance, stable volume and good thermal shock performance, and is widely used for the wear-resistant lining of thermal kilns such as CFB boilers.| Item/Model | DFNMZ- 1 | DFNMZ-2 | DFNMZ-3 |
| Al2O3 (%) | ≥70 | ≥75 | ≥80 |
| Si02 (%) | 28 | 20 | 16 |
| Refractoriness (℃) | ≥1790 | ≥1790 | ≥1790 |
| Normal temperature compressive strength (MPa) | ≥70 | ≥80 | ≥100 |
| 110℃ ×24h Flexural strength (MPa) | ≥10 | ≥12 | ≥14 |
| Start temperature of load softening (℃) | ≥1450 | ≥1550 | ≥1650 |
| Thermal shock stability (900℃) | ≥ 25 | ≥20 | ≥ 20 |
| Wear amount ASTM C704 (CC) | 7 | 6 | 5 |
| Thermal conductivity 1000℃ W/ (m.K) | 1.50 | 1.50 | 1.50 |
| Maximum service temperature (℃) | 1400 | 1500 | 1600 |
| Note: The performance and technical indicators can be adjusted according to the service conditions. | |||
