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Heavy wear castable Series
Counter 258   Addtime：2006-04-02 9:42:41
Material and brands
Wear white corundum castable
silicon carbide wear castable
Mullite wear corundum castable
Wear high alumina castable
Index
NFL-90
NFL-70
NFL-45
NFL-13
Item
Chemical composition
 A12O3 %
90
70
45
65
SiC % 　
20
 　
　
Fe2O3%
0.5
1.2
1
1.5
Physics performance
 Bulk density g/cm3
3.0
2.8
2.1
2.7
Compression Strength
MPa		 110℃×24h
95
95
110
80
1110℃×2h
≥110
≥115
≥90
≥90
1350℃×2h
≥105
≥115
≥85
85
Anti-Strength Analysis
MPa		 110℃×24h
≥8
≥10
8
8
1110℃×2h
≥10
≥12
9
9
1350℃×2h
≥9.5
9.5
8
8
% 1450℃×2h
±0.5
±0.5
±0.5
±0.5
CC
< 6
< 7
< 7
< 7
Refractoriness ℃
> 1790
> 1750
> 1650
> 1700
Temperature ℃
1700
1700
1650
1650

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