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Address: C2075,Zhonghui Intl Cult Park, Yuquanying,FengTai District,Beijing,Beijing,100071,China

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Product Details

 

Brown Fused Aluminum Oxide for Refractory

 

 

Brown Fused Alumina is an important synthetic corundum refractory mineral made from reduced fusion of quality

 

bauxite, iron and coal in electric arc furnace under 2500 degree.

 

Brown Fused Alumina Refractory Grades is a mineral with fine particle distribution for shaped and unshaped

 

refractory products in fire-proof, precision casting, foundry and coating industries. Our Brown Fused Alumina

 

Refractory Grades is a high grade refractory material with high purity, high cleanliness, coarse grain, low magnetic

 

contents, high density, high bulk density, chemical stability, low porosity rate, nice crystal structure, corrosion and

 

acid resistant. No cracks, corrosion or spot during production of refractory products. Brown Fused Alumina is the

 

most popular refractory material, especially for refractory bricks.

 

 

We also have Barmac equipment for mill of Brown Fused Alumina to improve its shape by centrifugal force. BFA

 

milled by Barmac equipment is granted more round shape grits and higher bulk density. Refractory products made

 

of it will have higher density and strength, and also less opportunity to have cracks.

 

 

 

 

Physical and Chemical Properties
ItemValueItemValue
Main MaterialAl2O3Melting point(℃)2250
Bulk Density(g/cm³)1.4-2.3Max Using Temperature(℃)1900
Mosh Hardness≧9ColorBrown(Deep blue after Calcining)
True Gravity(g/cm³)≧3.90Linear Expansivity(0-1600℃)7-9
Knoop Hardness(kg/mm²)2000-2200Crystal StructureTrigonal System
Size available(FEPA)0-1mm,1-3mm,3-5mm,5-8mm,other sizes available upon request

 

 

Applications of Brown Fused Alumina Refractory Grades

 

  • Production of Refractory Bricks, High Alumina Bricks

 

  • Furnace Lining, Outlet, Castables in Steel Making Industry

 

  • Crucibles in Foundry Industry

 

  • Furnaces and Ovens in Ceramic, Glass and Cement Industries

 

  • Alumina Hollow Ball, Alumina Fiber, Corundum Insulating Material, Corundum can be Plastic and Ramming Material, Dry Vibration Ramming Mixes, Without Stirring, Pouring Material, Corundum Brick and Prefabricated Pieces, Corundum Wet Sprayed Material, Coating and Repair Material, Corundum Cement and Tap-hole Clay

 

  • Production of Aluminium Oxide Metal Ceramic

 

  • Precision-Casting Alumina Products