Sinterblast

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Trade Name:

Starblast®

Description:

This product is a hard and unyielding abrasive, available in angular shapes. Starblast® is made by crushing and sintering bauxite ore.  Bauxite is the main ore used to produce Aluminium and consists of 75% of aluminium oxide.

Application

Often used as to replace brown fused aluminium oxide, it can be used with conventional abrasive blasting equipment air-compressed pressure and suction jet-blasting equipment.   Sintered bauxite is also used for the following applications:  antiskid flooring, carving, etching, finishing, grinding, lapping, polishing, rock tumbling, lapidary, sandblasting, slurry mixes, surface preparation and tumbling.

Advantages

Often used to replace brown aluminium oxide.

Technical data

  • Hardness:  9 Moh scale
  • Specific weight:  3.6 g/cm³
  • Bulk weight:  2.08 kg/L
  • Particle shape:  Angular
  • Storage:   Dry, ventilated area. Max pile up of 3 pallets
  • Packaging:  25 kg paper bags, palletised


Typical chemical analysis (full analysis available on application)

  • AI2O3: 76.3%
  • SiO2: 6.20%
  • TiO2: 1.95%
  • Fe2O3: 14.1%
  • CaO: 0.35%
  • K2O: 0.49%


Sieving range:

  • Grade: 8/16, Sieving range: 1200 – 2380 microns
  • Grade: 12/20, Sieving range: 853 – 1680 microns
  • Grade: 20/40, Sieving range: 422 – 853 microns
  • Grade: 30/70, Sieving range: 211 – 599 microns
  • Grade: 60/120, Sieving range: 125 - 25 microns