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Brown Fused Alumina Macro

Brown fused alumina macro is available in a wide range of specifications and particle sizes, and it is commonly referred to as having uniform-sized grains. The most frequently used particle size standards include F12, F18, F24, F30, F36, F40, F46, F54, F64, F70, F80, F100, F120, F220, and more. The particle size can be customized to meet specific customer requirements, adhering to recognized standards such as FEPA and JIS.

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Physical properties

Hardness:

9 mohs

Grain shape:

angular

Melting point:

approx. 2050°C

Specific gravity:

approx. 3.9–4.1 g/cm3

Bulk density:

(depending on grain size)

approx. 1.5–2.1 g/cm3

Typical chemical analysis

Al2O3:

95.20%

TiO2:

2.45%

Fe2O3:

0.15%

SiO2:

1.20%

CaO:

0.30%
Available grain sizes
(Average grain size)

FEPA Nr

Granulometry
in µm

Bulk density
g/cm3

F 012:

1400–2000µm

1,58 - 1,68

F 014: 

1180–1700µm

1,59 - 1,69

F 016:

 1000–1400µm

1,61 - 1,71

F 020:

850–1180µm

1,63 - 1,73

F 022:

710–1000µm

1,63 - 1,73

F 024:

 600–850µm

1,67 - 1,77

F 030: 

500–710µm

1,67 - 1,77

F 036:

425–600µm

1,68 - 1,78

F 040:

355–500µm

1,70 - 1,83

F 046:

300–425µm

1,70 - 1,80

F 054:

250–355µm

1,68 - 1,78

F 060: 

212–300µm

1,68 - 1,78

F 070:

180–250µm

1,66 - 1,76

F 080:

150–212µm

1,63 - 1,73

F 090: 

125–180µm

1,61 - 1,68

F 100:

106–150µm

1,56 - 1,70

F 120: 

90–125µm

1,56 - 1,66

F 150:

63–106µm

1,51 - 1,61

F 180: 

63–90µm

1,50 - 1,60

F 220:

53–75µm

1,48 - 1,58
Available grain sizes (Average grain size)
JIS Nr Granulometry in µm
P16 1000–1400µm
P20 850–1180µm
P24 600–850µm
P30 500–710µm
P36 425–600µm
P46 300–425µm
P60 212–300µm
P80 150–212µm
P100 106–150µm
P120 90–125µm
P150 63–106µm
P180 53-90µm
P220 45-75µm

Application areas (including but not limited to)

  • Flooring industry

    Used as an additive to increase the durability of wear-resistant flooring.

  • Blast cleaning

    Used for cleaning metallic surfaces with abrasive effect, removing rust, scale, tempering color, and paint.

  • Other

    Used for surface pre-treatment before applying protective coatings or metal spraying.
    Roughens metallic surfaces before applying coatings (sweeping).
    Processes extremely hard components.
    Deburring.
    Creates a matte finish on glass.
    Blasting stone (for stone masonry).
    Used for sandblasting and polishing of ceramic products.

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