AL2O3�?（�/span>

�?/span>60

�?/span>65

�?/span>75

体积密度（g/cm³（�/span>

�?/span>2.40

�?/span>2.40

�?/span>2.90

抗折强度＇�/span>Mpa（�/span>

110�?24h

�?/span>7.0

�?/span>8.0

�?/span>9.0

1000�?3h

�?/span>12

�?/span>12

�?/span>15

耏�/span>压强度（Mpa（�/span>

110�?24h

�?/span>50

�?/span>60

�?/span>60

1000�?3h

�?/span>80

�?/span>100

�?/span>120

烧后线变化率�?（�/span>

±0.3

±0.3

±0.2

耐磨�?/span>（cm³（�/span>

≣�/span>9

≣�/span>7

≣�/span>5

导热系数 w/m.k

1.5

1.5

1.5

热震稳定�?/span>

欠�/span>＇�/span>1000℃水冷）

�?/span>20

�?/span>25

�?/span>30

耐火�?nbsp; （℃（�/span>

�?/span>1750

�?/span>1770

�?/span>1790

**使用温度 （℃（�/span>

�?/span>1500

�?/span>1500

�?/span>1550