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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.