Brown Aluminum Oxide

Brown Aluminum Oxide is produced by smelting calcined bauxite in an electric arc furnace at temperatures greater than 2000℃. A slow solidification process follows the fusion to yield blocky crystals. The melting helps in removing residual sulfur and carbon. Strict control during the fusion process ensures optimum toughness of the grains. Brown aluminum oxide is characterized by high purity, good crystal, strong fluidity, low linear expansion coefficient, and good corrosion resistance.

BROWN ALUMINUM OXIDE

Macrogrit:F12 F14 F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220

Size Range

SizeSize Range(um)SizeSize Range(um)
F122000-1700F54355-300
F141700-1400F60300-250
F161400-1180F70250-212
F201180-1000F80212-180
F221000-850F90180-150
F24850-710F100150-125
F30710-600F120125-106
F36600-500F150106-75
F40500-425F18090-63
F46425-355F22075-53

Chemical Compostion %

Al2O3≥95.0%
Fe2O3≤0.3%
SiO2≤1.0%
TiO21.7-3.4%

Micropowder:F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000

Size Range

SizeD50(um)SizeD50(um)
F23053.0±3.0F40017.3±1.0
F24044.5±2.0F50012.8±1.0
F28036.5±1.5F6009.3±1.0
F32029.2±1.5F8006.5±1.0
F36022.8±1.5

Chemical Composition%

Al2O392.5-95.0%
Fe2O30.3-1.0%
SiO21.0-2.0%
TiO21.5-4.0%

Physical properties

Specific Gravity≥3.90g/cm3
Bulk Density1.53-1.99g/cm3
Mohs Hardness9.0
Melting Point2250℃
Refractoriness1900℃
Main Applications of Brown Aluminum oxide
  • Bonded Abrasives and Coated abrasives
  • Refractory,casting,foundry,and painting etc
  • Wet and dry blast media,grinding and polishing etc
  • PCB plate(PCBA,FPC,LED) blasting
  • Polishing wax, Grinding stones, polishing pads, etc
  • Removal of scale, rust and old coatings,surface treatment etc
  • Ceramics
  • Grinding wheels, Cup wheels, etc
  • Brake and friction linings
  • Sponge media
  • Padding,filler etc
Packaging
     25kgs pvc bags   1000kgs pvc bags25kgs pvc bags+1mt big bag25kgs pvc bags+pallet

Factory production lines

Weight1000 kg
Dimensions100 × 100 × 100 cm

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