Al₂O₃ %

60

55

SiC %

8

6

Bulk Density  g/cm³

110°С×16h

2.70

2.50

1350°С×3h

2.65

2.40

Cold Crushing Strength MPa

110°С×16h

25

50

1350°С×3h

60

60

Modulus of Rupture  MPa

110°С×16h

5

6

1350°С×3h

8

8

Linear Change %

1350°С×3h

0.5

0.5

Application

Headwall, taphole

Bottom