项 目 |
75莫来石砖 |
70莫来石砖 |
65硅线石砖 |
60硅线石砖 |
Item |
Mullite brick |
Mullite brick |
Sillimanite brick |
Sillimanite brick |
LSM-75 |
LSM-70 |
LS-65 |
LS-60 |
Al2O3 % |
≥75 |
≥70 |
≥65 |
≥60 |
SiO2 % |
≤23 |
≤25 |
≤32 |
≤37 |
Fe2O3 % |
≤0.4 |
≤0.4 |
≤0.5 |
≤1 |
体积密度 g/cm3 |
≥2.7 |
≥2.6 |
≥2.5 |
≥2.3 |
Bulk density |
显气孔率 % |
≤18 |
≤18 |
≤18 |
≤19 |
Apparent porosity |
常温耐压强度 MPa |
≥100 |
≥100 |
≥80 |
≥80 |
CCS |
荷重软化开始温度 ℃ |
≥1680 |
≥1680 |
≥1650 |
≥1600 |
(0.2MPa,0.6%) |
Refractoriness under load |
应 用 |
主要用于玻璃窑炉、无碱纤维窑炉、高炉热风炉、耐火材料隧道窑等窑炉的关键部位。 |
Application |
Primarily used for the key parts of the furnace of glass furnace, alkali-free glass |
fiber furnace, blast furnace hot blast stove, refractory-material tunnel kiln, etc. |