White Fused Alumina

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…

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
White Fused Alumina

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)

Contact us

If you are interested in sending the current price offer, or if you have any inquiry, please fill out the attached contact form or contact us by phone or e-mail.

phone: +421 905 56 36 34

All items marked with an asterisk (*) are required to submit the form successfully.


WEXI, s.r.o.

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