| 出生地 |
Shanxi China (Mainland) |
| 牌子的名字 |
HOLY FIRE |
| 形状 |
Brick |
| 材料 |
Mullite |
Corundum-mullite low creep brickItemsSpecificationH21H22H23H24H26H27AL2O3 ,% ≥758065656050Fe2O3 ,% ≤1.01.01.01.52.02.0Apparent porosity ,% ≤212119(22)22(24)2424Bulk density,g/cm3 ≥2.82.952.652.652.62.3Cold Crushing strength,MPa ≥707070606050Refractoriness ≥185018501850179017901790Refractoriness under load ≥170017501500155015001450Linear change after heating,%1500/3h ±0.21500/3h ±0.21450/3h ±0.21400/3h ±0.21300/3h ±0.21400/3h ±0.20.2MPa/cm3 Creep change,%1550/20h-50h ≤0.21500/20h-50h ≤0.21450/20h-50h ≤0.21400/20h-50h ≤0.21300/20h-50h ≤0.21270/20h-50h ≤0.2