干熄焦用莫來石磚

化學成分(%) Chemical Composition

AL2O3

≥55.0

Fe2O3

≤1.2

體積密度(g/cm3)
  Bulk Density

≥2.4

顯氣孔率(%)
  Apparent Porosity

≤18.0

耐壓強度(MPa)
  Cold crushing Strength

≥75.0

0.2MPa荷重軟化溫度(℃)
  Refractoriness Under Load

≥1500.0

線變化率(%)
  Permanent linear change

1350℃×3h

-0.1～+0.1

耐火度(℃)
  Refractoriness

≥1790.0

熱震穩定性(次)
  Thermal shock Resistance

(1100℃-水冷Cold Water)

≥30