Company Information
Member Since 14 Years
Nature of Business Supplier Year of Establishment 2002Ask for more detail from the seller
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The White Fused Alumina produced by our company is made from industrial alumina melt in arc furnaces at high temperature. It is the basic raw material for manufacturing high temperature refractory materials, such as corundum, corundum - mullite etc and has been widely used in abrasion, metallurgical continuous casting, petrochemical and black carbon industries.
Its properties are shown as following.
Physical properties
Chemical composition Guarantee value Typical Value
Principle crystal phase: α-Al2O3 Al2O3 ≥99 99.30
Crystal system: hexagon Na2O/K2O ≤0.4 0.28
Colour and luster: white SiO2 ≤0.2 0.14
True density:≥3.95g/cm3 Fe2O3 ≤0.25 0.15
Packing density( g/cm3 ): 1.75-1.95
Mohs hardness: 9
Linear expansion coefficient (1/℃): 8.3*10-4
Grain size (mm) 8-5, 5-3, 3-1, 1-0
Fine power (mesh) -24, -120, -180, -240, -320
Or according to the customer's requirement.
Pack: 25kg in plastic bag or 1000kg in big bags.
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