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Quarry Brick

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Product Details

ItemsPhysicaland Chemical Indexs
Acid Quarry brickCoke Quenching Quarry brickCoke wharf Quarry brick
AL2O3 %≥80≥85≥90
Fe2O3(%)≤0.3≤0.3≤0.3
Max Service°C≥1650≥1680≥1700
Apparent Porosity(%)≤22≤22≤22
Bulk Density(g/cm3)≥1.40-1.801.40-1.801.40-1.80
Cold Crushing Srength MPA>≥12≥10≥10
Refractoriness under load,℃≥1650℃≥1680℃≥1700℃
Refiring line change rate%1500°C≤0.21500°C≤0.21500°C≤0.2
Refiring line change rate %~7.8~8.0~8.0
Thermalcoefficientw,(mk)≤(average temperature 800°C）0.70.80.9

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