Mixed Alumina

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Mixed Alumina

Mixed alumina is a secondary product that is produced from ceramic grounding wheels and reclaimed alumina dust from the blasting and grinding industry. An inexpensive, iron-free product is produced after extensive processing at our recycling plant in Ballenstedt. Our customers like to use mixed alumina to give glass a satin finish or to process fine castings. We will be happy to help you…

Application areas

  • Bonded grinding wheels
  • Dry blast abrasive
  • Fine blasting media
  • Refractory products
  • Wear protection
  • Wet blast abrasive
Mixed Alumina

Product features

Typical physical properties
Hardness 9 mohs
Grain shape angular
Melting point ca. 2000 °C
Specific gravity ca. 3,9 g/cm3
Bulk density* ca. 1,5 – 1,8 g/cm3

*depending on grain size

Typical chemical analysis
Al2O3 88,10 %
SiO2 6,80 %
TiO2 0,70 %
CaO 0,30 %
MgO 0,30 %
Fe2O3 0,20 %
SiC 5,80 %

Available sizes

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
FEPA Average grain size (µm)
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 53 – 106
F 180 53 – 90
F 220 45 – 75

Other grain sizes can be produced if required.

Blasting systems

  • Pressure blast machines
  • Vacuum blast machines

Packaging

  • 25 kg bags on 1t pallets
  • 1 ton loose in a big bag

Specification

  • FEPA F Norm

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.

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