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Refractory Bricks-Fireclay Bricks For Hot-Blas Stoves
Fireclay Bricks For Hot-Blas Stoves
Technical Data
Item
DRN-125
DRN-120
DRN-115
DRN-110
Al
2
O
3
%≥
45
42
40
36
Bulk density(g/cm
3
)
2.15-2.35
2.0-2.20
2.0-2.20
2.0-2.20
Apparent porosity % ≤
22
22
22
22
Cold crush strength Mpa ≥
40
35
30
25
Creep rate(0.2Mpa×50h) % ≤
1250℃
1200℃
1150
1100
0.8
0.8
0.8
0.8
Linear change after reheating %
1400℃×2h
-0.3~0.1
-
-
-
1350℃×2h
-
-0.3~0.1
-
-
1300℃×2h
-
-
-0.4~0.1
-0.4~0.1
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