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Blasting Consumables

White Aluminum Oxide

Where is it used?

White aluminum oxide is a product for high-tech applications. Non Ferrous white aluminum oxide with high purity, whiteness, extreme hardness and a wide variety of fine grit sizes is suitable for many of our customer’s processes in medical technology, aerospace technology, optics and industry.

Scope of Applications

Typical Physical Properties
Hardness (norm)  9 mohs
Grain shape  Angular
Melting point  ca. 2050 °C
Specific gravity  ca. 3,9 – 4,1 g/cm3
Bulk density*  ca. 0,8 – 2,1 g/cm3
*Depending on grain size.   
    
Typical Chemical Analysis White Fused Alumina MacroWhite Fused Alumina Micro
Al2O3 99,73%99,69%
Cr2O3 0,14%0,20%
Fe2O3 0,03%0,02%
SiO2 0,01%0,03%
CaO 0,02%0,05%
TiO2 0,02%0,01%
MgO 0,01%0,01%
White Fused Alumina Macro   

FEPA
  Average Grain size µm
F 08  2000 – 2800
F 10  1700 – 2360
F 12  1400 – 2000
F 14  1180 – 1700
F 16  1000 – 1400
F 20  850 – 1180
F 22  710 – 1000
F 24  600 – 850
F 30  500 – 710
F 36  425 – 600
F 40  355 – 500
F 46  300 – 425
F 54  250 – 355
F 60  212 – 300
F 70  180 – 250
F 80  150 – 212
F 90  125 – 180
F 100  106 – 150
F 120  90 – 125
F 150  63 – 106
F 180  53 – 90
F 220  45 – 75
    
    
White Fused Alumina Micro   
FEPA  Average Grain size µm
 ds3-value max.ds50-valueds94-value min.
F 2308253,0 +/-3,0                                               34,00
F 2407044,5 +/-2,0                                               28,00
F 2805936,5 +/-1,5                                               22,00
F 3204929,2 +/-1,5                                               16,50
F 3604022,8 +/-1,5                                               12,00
F 4003217,3 +/-1,0                                                 8,00
F 5002512,8 +/-1,0                                                 5,00
F 600199,3 +/-1,0                                                 3,00
F 800146,5 +/-1,0                                                 2,00
F 1000104,5 +/-0,8                                                 1,00
F 120073,0 +/-0,5 1,00* 
  • Pressure blasting machines
  • Vacuum blasting machines
  • 25 kg bags on 1-ton pallets
  • 1 ton in big bags
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