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Corundum Spinel Brick for Refining Ladle
Counter 275   Addtime：2006-07-05 23:43:25
Name of product
 Brown corundum spinel brick XZGJ-A
Brown corundum spinel brick XZGJ-B
White corundum spinel brick XBGJ
Al2O3 ≥%
90
90
94
SiO2 ≥%
1.9
1.5
1.0
Fe2O3 ≤%
0.5
0.5
0.4
MgO %
5.5
5.0
5.0
Bulk density ≥g/cm3
3.2
3.15
3.1
Cold crushing strength ≥MPa
100
80
100
Apparent porosity≤%
15
17
20
Liner change after heating(1500℃*2h)
+0.2
+0.2
+0.1
Temperature of refracoriness under load T0.6 ≥℃
1650
1650
1700

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