Item                 

COM

ST

HP

HA

HAZ

HZ

Classification Temperature  ℃

1100

1260

1260

1360

1360

1430

Working Temperature ℃

＜1000

1050

1100

1200

1200

1350

Density kg/m3

220±15

220±15

220±15

220±15

220±15

220±15

Chemical

Composition 

(%)

AL2O3

42-44

45-46

47-49

52-55

45-46

39-40

AL2O3+SIO2

96

97

99

99

-

-

AL2O3+SIO2

+ZrO2

-

-

-

-

99

99

ZrO2

-

-

-

-

5-7

15-17

Fe2O3

＜1.2

＜1.0

0.2

0.2

0.2

0.2

Na2O+K2O

≤0.5

≤0.5

0.2

0.2

0.2

0.2

Size（mm）

Common 600×240-300×100-200（No anchor）300×300×250（with anchor）      Other made according to customer's drawing