White Alpha Alumina Available Grain Sizes
(Average grain size)
FEPA
F 012/JIS#012: 1400–2000µm
F 014/JIS#014 : 1180–1700µm
F 016/JIS#016 : 1000–1400µm
F 020/JIS#020 : 850–1180µm
F 022/JIS#022 : 710–1000µm
F 024/JIS#024 : 600–850µm
F 030/JIS#030 : 500–710µm
F 036/JIS#036 : 425–600µm
F 040/JIS#040 : 355–500µm
F 046/JIS#046 : 300–425µm
F 054/JIS#054 : 250–355µm
F 060/JIS#060 : 212–300µm
F 070/JIS#070 : 180–250µm
F 080/JIS#080 : 150–212µm
F 090/JIS#090 : 125–180µm
F 100/JIS#100: 106–150µm
F 120/JIS#120 : 90–125µm
F 150/JIS#150: 63–106µm
F 180/JIS#180 : 63–90µm
F 220/JIS#220 : 53–75µm
White Alpha alumina physical properties
Hardness: 9 mohs
Grain shape: angular
Melting point: approx. 2050°C
Specific gravity: approx. 3.9 g/cm3
Bulk density: approx. 1.75 – 1.95 g/cm3
(depending on grain size)
White fused alumina typical chemical analysis
Al2O3: 99,50%
Na2O+K2O: 0,25%
Fe2O3: 0,02%
SiO2: 0,03%
CaO: 0,10%
C: 0,05%
White Alpha alumina systems
– Pressure blast systems
– Injection blast cabinets
White alpha alumina applications
Blast-cleaning:
– Cleaning metallic surfaces with removal of material (abrasive effect)
– Removing rust and scale from metallic surfaces
– Removing tempering colour
Surface finishing:
– Creating a matt finish on surfaces
– Producing specific visual effects
Other:
– Roughening metallic surfaces
– Creating a matt finish on glass
– Deburring
– Processing very hard components
White alpha alumina packaging
25 kg sacks on pallets of up to 1 tonne
