White Fused Alumina

Application areas

  • Bonded grinding wheels
  • catalyst carrier
  • Coated abrasives
  • Dry blast abrasive
  • Electrical engineering
  • Fine blasting
  • Loose abrasive
  • Refractory products
  • Thermosetting plastics
  • Wear protection
  • Wet blast abrasive

I am recyclable!

We recycle your blasting and abrasive waste in our own recycling plant.

More info

White aluminium oxide is a product for high-tech applications. Our customers in the medical technology, in aerospace technology and in the optical and Industry attach importance to an iron-free material with highest purity, high degree of whiteness, extreme hardness and a wide range of precise grit sizes up to the micro range of 3 μm. We will be happy to help you.

Product features

Typical physical properties
Hardness 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 Macro White Fused Alumina Micro
Al2O3 99,73 % 99,69 %
Na2O 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 %

Available sizes

White Fused Alumina Macro

FEPA

Average grain size (µm)

F 008 2000 – 2800
F 010 1700 – 2360
F 012 1400 – 2000
F 014 1180 – 1700
F 016 1000 – 1400
F 020 850 – 1180
F 022 710 – 1000
F 024 600 – 850
F 030 500 – 710
F 036 425 – 600
F 040 355 – 500
F 046 300 – 425
F 054 250 – 355
F 060 212 – 300
F 070 180 – 250
F 080 150 – 212
F 090 125 – 180
F 100 106 – 150
F 120 90 – 125
F 150 63 – 106
F 180 53 – 90
F 220 45 – 75
Metric

Average grain size (mm)

0,25 – 0,50
0,50 – 1,00

Other grain sizes can be produced if required.

White Fused Alumina Micro

FEPA

Average grain size (µm)

ds3-value max. ds50-value ds94-value min.
F 230 82 53,0 +/-3,0 34,0
F 240 70 44,5 +/-2,0 28,0
F 280 59 36,5 +/-1,5 22,0
F 320 49 29,2 +/-1,5 16,5
F 360 40 22,8 +/-1,5 12,0
F 400 32 17,3 +/-1,0 8,0
F 500 25 12,8 +/-1,0 5,0
F 600 19 9,3 +/-1,0 3,0
F 800 14 6,5 +/-1,0 2,0
F 1000 10 4,5 +/-0,8 1,0
F 1200 7 3,0 +/-0,5 1,0*

* at 80%

Blasting systems

Pressure blast machines

Vacuum blast machines

approval

PMC 3052 (Pratt & Withney)

CSS12 (Rolls-Royce)

ABR 9-0160 (Airbus)

Packaging

25 kg bags on 1t pallets

20 kg bags on 1t pallets

1 ton loose in a big bag

Specification

FEPA F Norm

FEPA P Norm

EN ISO 11126-7

EN 4637

DIN ISO 8486-1

DIN 8201-6

MIL A-A-59316

ANSI B74-12

JIS R6001

DMR71-100

NF L 06-828

D50TF5 Class A (GE)

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