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Corundum Brick

Product Number SC-GYZ
The corundum brick with more than 90% alumina is a refractory material taking corundum as its main crystal phase. The corundum brick features excellent chemical stability, satisfactory resistance to acid or alkali slag, metal and vitreous humor, mainly suitable for iron making blast furnace and blast-furnace hot blast stove, steel-making secondary refining furnace, glass melting furnace, petrochemical furnace, etc.

Technical Indicators of Corundum Brick

Product number WA99 WA98 WA97 WA95 WA93 WA90
Properties
Refractoriness (℃) 1850 1850 1800 1750 1700 1650
Al2O3 (% )≥ 99 98 97 95 93 90
Fe2O3 (% ) ≤ 0.15 0.2 0.3 0.4 0.5 0.8
Bulk density (g/cm3) 3.15 3.15 3.1 3 2.95 2.9
Apparentporosity (%) ≤ 20 20 20 20 20 20
Cold crushing strength (Mpa) ≥ 90 90 80 80 80 80
Refractoriness under load 0.2 Mpa (℃ ) ≥ 1800 1800 1750 1700 1700 1600
Reheating linear change (%) ±0.1 (1700℃*2h) ±0.15 (1700℃*2h) ±0.2 (1700℃*2h) ±0.2 (1650℃*2h) ±0.3 (1650℃*2h) ±0.3 (1600℃*2h)

Related Names
Refractory Product | Refractory Brick | High-Temperature Material

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