SILICA BRICK FOR COKE OVEN

indexitemsilica brick for coke ovenLJG-94LJG-95SiO2% ≥9495AL2O3% ≥1.21.0Fe2O3% ≤1.31.20.2MPa refractoriness under load 0C ≥16501650Linear change after heating % (14500C×2h)+0.2+0.2class 1 apparent porosity% ≤class222222424cold crushing strength MPa ≥3035true density g/cm3 ≤2.342.33 2.34thermal expansion(10000C)% ≤1.281.30
SILICA BRICK FOR COKE OVEN