Huachen Refractory

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Fused Cast α Alumina Block

Fused cast α alumina block is highly powerful, it can work in various industrial kilns and furnaces. Its crystal phase purity is extremely high and its price is also very high.

Other name: Fused Cast α Corundum Block, α Alumina Block, α Corundum Brick

Model Number:

Certification: ISO 9001-14001

Minimum Order Quantity: 5 MT

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Fused Cast α Alumina Block

Description:

Fused cast α-corundum block is a high-grade fused cast refractory with α-Al2O3 as the main phase. Its structure is compact, the refractoriness and high-temperature structural strength are high, and the high-temperature chemical stability is good. It is suitable for glass furnace cooling pool and super structure, as well as the non-ferrous metal smelting furnace and high-temperature tunnel kiln.

Process:

It's same to fused cast α-β Alumina Block.


Fused Cast Alumina Block Physical And Chemical

Itemα-corundumβ-corundumα-β corundum
Chemical   CompositionAl₂O₃ %98.5≥ 92≥ 95
SiO₂ %0.4≤ 0.5≤ 0.5
Na₂O %0.95.5-7.53.2-4.5
Crystalline Phaseα-corundum90-95-40-50
β-corundum5-10> 97.550-60
Glass   phase0-1< 1≤ 2
Bulk Density   g/cm³  (WS)≥ 3.6≥ 2.9≥ 3.4
Cold Crushing   Strength Mpa≥ 250≥ 30≥ 200
Therm.Exp   (1000℃) %0.880.650.7
Therm.Exp   (1500℃) %1.321.011.09




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