干熄焦斜道區用氮化硅結合碳化硅磚

化學成分(%)  

Chemical Composition

SiC,%

≥72

Si₃N₄

≥18

Fe?O?,%

≤1.0

耐火度，℃

Refractoriness

≥1790

顯氣孔率，％

Apparent porosity

≤16

體積密度,g/cm³

BulkDensity

≥2.6

常溫耐壓強度,Mpa

Cold Crushing Strength

≥180

高溫抗折強度,Mpa

Modulus of Rupture,Mpa

1100℃X0.5h

≥50

熱震穩定性，次

Thermal Shock Resistance

1100℃-水冷(cold

water)

≥60

0.2MPa荷重軟化開始溫度,℃

0.2MPa Refractoríness under load

≥1600

熱膨脹率,%1000℃

Thermal Expansivity

≤0.60