Alkaliresistant Brick

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ItemsAlkali resistant brickAL-42AI70
AL2O3 %≥35≥42≥70
Fe2O3 %≤2.0≤1.5≤1.5
Apparent Porosity%≤21≤18≤20
Bulk Density(g/cm3)≥≥2.20≥2.25≥2.55
Refractoriness ℃≥≥1450≥1700≥1770
Cold Crushing Srength MPA≥≥40≥50≥60
Refractoriness under load,°C≥1350≥1400≥1470

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