Brown Alumina Oxide F20

Brown Alumina Oxide called brown fused alumina,brown corundum,brown fused aluminum oxide, is electrically fused in an arc furnace from a bauxite mixture, coke as primary raw materials at high temperature.

BROWN ALUMINA OXIDE F20

Grit:F20

Chemical Composition
Al2O3≥95.0%
Fe2O3≤0.30%
SiO2≤1.0%
TiO21.7-3.4%
Physical Properties
Specific Gravity≥3.90g/cm3
Mohs Hardness9.0
Bulk Density1.53-1.99g/cm3
Melting Point 2250℃
 Refractoriness1900℃
PSD(Particle Size Distribution)
F12+2800um0+2000um≤20%+1700um≥45%+1700+1400um≥70%+1700+1400+1180um*-1180um≤3%
F14+2360um0+1700um≤20%+1400um≥45%+1400+1180um≥70%+1400+1180+1000um*-1000um≤3%
F16+2000um0+1400um≤20%+1180um≥45%+1180+1000um≥70%+1180+1000+850um*-850um≤3%
F20+1700um0+1180um≤20%+1000um≥45%+1000+850um≥70%+1000+850+710um*-710um≤3%
F22+1400um0+1000um≤20%+850um≥45%+850+710um≥70%+850+710+600um*-600um≤3%
F24+1180um0+850um≤25%+710um≥45%+710+600um≥65%+710+600+500um*-500um≤3%
F30+1000um0+710um≤25%+600um≥45%+600+500um≥65%+600+500+425um*-425um≤3%
F36+850um0+600um≤25%+500um≥45%+500+425um≥65%+500+425+355um*-355um≤3%
F40+710um0+500um≤30%+425um≥40%+425+355um≥65%+425+355+300um*-300um≤3%
F46+600um0+425um≤30%+355um≥40%355+300um≥65%355+300+250um*-250um≤3%
F54+500um0+355um≤30%+300um≥40%+300+250um≥65%+300+250+212um*-212um≤3%
F60+425um0+300um≤30%+250um≥40%250+212um≥65%250+212+180um*-180um≤3%
F70+355um0+250um≤25%+212um≥40%+212+180um≥65%+212+180+150um*-150um≤3%
F80+300um0+212um≤25%+180um≥40%+180+150um≥65%+180+150+125um*-125um≤3%
F90+250um0+180um≤20%+150um≥40%+150+125um≥65%+150+125+106um*-106um≤3%
F100+212um0+150um≤20%+125um≥40%+125+106um≥65%+125+106+75um*-75um≤3%
F120+180um0+125um≤20%≥40%≥40%+106+90um≥65%+106+90+63um*-63um≤3%
F150+150um0+106um≤15%+75um≥40%+75+63um≥65%+75+63+45um*-45um≤3%
F180+125um0+90um≤15%+75um*+75+63um≥40%+75+63+53um≥65%-53um*
F220+106um0+75um≤15%+63um*+63+53um≥40%+63+53+45um≥60%-45um*
Main Applications of brown alumina 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, cutting disc etc
  • Brake and friction linings
  • Sponge media
  • Padding,Filler etc
Packaging
        25kgs pvc bags   1000kgs pvc bags 25kgs pvc bags+1mt big bag25kgs pvc bags+pallet
Haixu Factory Production lines
PS:Other grades of brown alumina oxide F20
ItemAl2O3 %
B Grade85-92%
C Grade70-80%
D Grade60-70%
E Grade50-60%
Weight1000 kg
Dimensions100 × 100 × 100 cm

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