项目
Item
指标
Indexes

普通类
General

高强类
High-strength

FA

FC

FHA

FHC

ＡL2O3　　％ 　　 ≮

70

83

70

90

常温抗折强度　MPa
Modulus of rupture ≮

110℃

9.0

9.0

10.0

12.0

1100℃

5.5

6.5

10.0

12.0

常温耐压强度　MPa
Crushing strength ≮

110℃

70

70

70

80

1100℃

40

50

70

80

1100℃~室温水急冷急热循环５次后抗折强度　MPa　≮
After 5 times circulation of water suddenly cooled and suddenly heated under room temperature.The rupture strength Mpa is no less than.

4.5

5.5

5.0

5.0

1100℃线变化率　％

±0.4

±0.5

±0.4

±0.5