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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
Al2O3 %≥ 45 42 40 36
Bulk density(g/cm3) 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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