AI2O3 %

�?/span>80

�?/span>70

�?/span>55

�?/span>50

SiO2 %

≣�/span>15

≣�/span>20

≣�/span>33

Fe2O3 %

≣�/span>1.0

≣�/span>1.8

体积密度g/cm3

�?/span>2.7

�?/span>2.6

�?/span>1.8

2.2-2.6

≣�/span>0.8

≣�/span>1.0

0.6-0.8

耐压强度Mpa110ℂ�/span>

�?/span>85

�?/span>70

�?/span>20

�?/span>20

�?/span>3

�?/span>4

耐压强度Mpa540ℂ�/span>

�?/span>5

�?/span>6

耐压强度Mpa1100ℂ�/span>

�?/span>95

�?/span>80

�?/span>25

�?/span>30

�?/span>5

�?/span>10

抗折强度Mpa110ℂ�/span>

�?/span>8

�?/span>7

�?/span>4

�?/span>4

�?/span>0.5

�?/span>0.7

抗折强度Mpa1100ℂ�/span>

�?/span>14

�?/span>9

�?/span>5

�?/span>6

耐火�?/span>ℂ�/span>

�?/span>1800

�?/span>1790

�?/span>1650

�?/span>1730

�?/span>1100

�?/span>1250

�?/span>1000

重烧线变化率

＇�/span>1100℃Ö�/span>3h（�/span>%

±0.5

±0.6

±0.3

±0.1

±0.6

±0.5

热震稳定性（1100℃风冷）欠�/span>

�?/span>35

�?/span>35

�?/span>16

�?/span>30

使用温度ℂ�/span>

800

耐磨�?/span>cc

≣�/span>6

≣�/span>7

导热系数w/m.k

≣�/span>0.3

≣�/span>0.38

≣�/span>0.25