Dense High Alumna Brick

Min. Order: 1 Ton
Payment Terms: L/C, T/T
Dense High Alumna Brick

Product Description

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This product selected superfine calcined bauxite (Al2O3 ≥ 85%, Bulk density  ≥2.65g/cm3) as main raw material. And it is molded by high tonnage molding machine and sintered by high temperature furnace. It has good characteristics of high strength, high density, high-temperature resistance and small reheating linear change rate. It is widely used in blast furnace stack, blast furnace bosh and key parts of other industrial furnace.
Al2O3 %>65
Fe2O3 %≤2.0
Refractoriness ºC1790ºC
Apparent porosity %≤19
Bulk density g/cm3≥2.5
Cold crushing strength Mpa>60
Refractoriness under load KD,ºC1500
Reheating linear change 1500ºC×3h %0~ -0.2
Used partfurnace bosh, furnace stack

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