| 项 目 |
致密锆英石砖 |
普通锆英石砖 |
锆刚玉砖 |
锆莫来石砖 |
半锆砖 |
| Item |
Dense Zircon brick |
Zircon brick |
Zi-Cor brick |
Zi-Mull brick |
Semi-Zi brick |
| ZrO2 % |
≥65 |
≥60 |
≥30 |
≥18 |
≥15—20 |
| Al2O3 % |
— |
— |
≥45 |
≥55 |
≥50—60 |
| SiO2 % |
— |
≤38 |
≤25 |
≤25 |
≤20 |
| Fe2O3 % |
≤0.3 |
≤0.5 |
≤0.5 |
≤0.5 |
≤1.2 |
| 显气孔率 % |
≤18 |
≤22 |
≤20 |
≤17 |
≤20 |
| Apparent porosity |
| 体积密度 g/cm3 |
≥3.7 |
≥3.5 |
≥3.2 |
≥2.7 |
≥2.7 |
| Bulk density |
| 常温耐压强度 MPa |
≥100 |
≥100 |
≥100 |
≥100 |
≥100 |
| CCS |
| 荷重软化开始温度 ℃ |
≥1650 |
≥1620 |
≥1650 |
≥1650 |
≥1550 |
| (0.2MPa,0.6%) |
| Refractoriness under load |
| 应 用 |
主要用于玻璃窑炉、玻璃纤维炉、垃圾焚烧炉、电热炉等窑炉的关键部位。 |
| Application |
Primarily used for the key parts of the furnace of glass furnace, glass
|
| fiber furnace, garbage incinerator furnace, electrothermal furnace, etc. |