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Refractory Bricks-Direct Bonded Magnesia-Chrome Bricks For Cement Kiln
Direct Bonded Magnesia-Chrome Bricks For Cement Kiln
Technical Data
Item
DMC-12
DMC-9-13
DMC-9-A
DMC-6
DMC-4
MgO % ≥
60
70
70
75
80
Cr
2
O
3
% ≥
12
9
9
6
4
SiO
3
% ≤
3.2
3.0
2.8
2.8
2.5
Apparent porosity % ≤
19
19
19
18
18
Bulk density(g/cm
3
)
3.0
2.98
2.98
2.95
2.93
Cold crush strength Mpa ≥
35
40
40
40
40
0.2Mpa refractoriness under load(℃)≥
1580
1580
1600
1600
1600
Thermal shock resistance(1100℃,water)cycles
4
4
4
4
4
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