干熄焦用粘土磚

化學成分(%)   Chemical Composition

AL2O3

≥45.0

≥40.0

Fe2O3

≤1.5

≤2.0

體積密度(g/cm3)
  Bulk Density

≥2.3

≥2.2

顯氣孔率(%)
  Apparent Porosity

≤16.0

≤24.0

耐壓強度(MPa)
  Cold Crushing Strength

≥55.0

≥35.0

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

≥1500.0

≥1450.0

線變化率(%)1350℃×3h
  Permanent Linear Change

-0.2～+0.2

-0.2～+0.2

耐火度(℃)
  Refractoriness

≥1770.0

≥1690.0

熱震穩定性(次)
  (1100℃-水冷Cold Water)
  Thermal Shock Resistance

≥10