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Refractory Raw Materials White Corundum Tabular Alumina For Refractories Application

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Refractory Raw Materials White Corundum Tabular Alumina For Refractories Application

Product descriptions from the supplier

Product Description
Tabular Alumina uses industrial alumina as the raw material,and is sintered in high-temperature vertical kiln with a temperature greater than 1900℃.The product is made of granular corundum crystals closely arranged,evenly distributed to each other,to achieve the best density and inter-granular strength.With high purity,low alkali,high strength,high thermal shock resistance,corrosion resistance properties,it mainly used as alumina base and alumina containing refractory bone material and substrate.
Specification
Item
Unit
Grain
Fine Powder

Al₂O₃
%
≥99.40
≥99.40

Na₂O
%
≤0.40
≤0.40

SiO₂
%
≤0.09
≤0.09

Fe₂O₃
%
≤0.07
≤0.09
Magnetic Iron

%

≤0.02

≤0.03

Bulk Density
g/cm³

≥3.5

≥3.5
Apparent Porosity
%
≤5.0
≤5.0
Water Absorption

%

≤1.5

≤1.5
Product Application
Tabular Alumina Application It is widely used in metallurgical refractory materials (slide,nozzle,porous plug brick,etc.),ceramic, chemical,glass,abrasives and other industries with refractory materials figured.
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