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Unshaped Refractory Material for Refined Ladle
Counter 238 Addtime：2006-07-05 23:45:23
Brand name
Item
Mg-Al cast
High-aluming spinel material
Corundum spinel material
XLMJ-1
XLJJ-1
XGJJ-2
Chemical composition
Al
2
O
3
70
70
90
MgO
10-12
14-16
5-6
Bulk density ≥g/cm
3
110℃*24h
2.65
2.7
2.95
1500℃*3h
2.60
2.65
2.85
Cold crushing strength ≥MPa
110℃*24h
30
30
38
1450℃*3h
35
40
60
High temperature modulus of rupture ≥MPa
110℃*24h
4
5
8
1450℃*3h
5
10
12
Liner change after fire %
110℃*24h
-0.1
-0.1
-0.1
1450℃*3h
+
1.0
+
0.5
+
0.5
Refractoriness > ℃
1770
1770
1790
Construction mixture additional water quantity %
9-10
7-8
4-5
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Unshaped Refractory Material for Refined Ladle