Refractory Precast Shapes are essential in industries exposed to extreme heat, like steelmaking, glass production, and power generation. These components are pre – fabricated in factories using refractory materials such as high – alumina cement, fireclay, and silica. Manufactured under strict quality control, Refractory Precast Shapes are designed to withstand temperatures up to 1,800°C or even higher.
| item | Formas pré-fabricadas refractárias | ||
|---|---|---|---|
| GQ-92 | GQ-85 | ||
| (AL2O3 + SiC)/% ≥ | 92 | 85 | |
| CaO/% ≤ | 4 | 4 | |
| Resistência ao esmagamento/MPa ≥ | 110℃*24h após a secagem | 80 | 60 |
| 1100℃*3h Após a requeima | 100 | 70 | |
| 1500℃*3h Após a requeima | 120 | 100 | |
| Resistência à flexão a frio/Mpa | 110℃*24h após a secagem | 8 | 6 |
| 1100℃*3h Após a requeima | 9 | 7 | |
| 1500℃*3h Após a requeima | 10 | 9 | |
| Variação linear do aquecimento/% | 1100℃*3h Após a requeima | ±0.5 | ±0.5 |
| 1500℃*3h Após a requeima | ±0.5 | ±0.5 | |
| Densidade a granel | 110℃*24h após a secagem | 2.9 | 2.85 |
Refractory Precast Shapes are known for their high temperature resistance, excellent mechanical strength, and good thermal stability. They can withstand extreme temperatures and harsh working conditions, ensuring the reliability and durability of industrial furnaces and other high – temperature equipment.
Refractory Precast Shapes are widely used in various industrial fields. They are commonly applied in steel mills, cement plants, and power plants to line furnaces, kilns, and boilers. Their excellent heat – resistant properties help to maintain the integrity of these high – temperature equipment, improve energy efficiency, and prolong the service life of the facilities.