Brown Fused Aluminum Oxide

Brown corundum is a pure and non-toxic mineral made from high-quality bauxite, anthracite, and iron filings, and smelted by high-temperature electric arc at over 2000°C. Suitable for metal sandblasting, workpiece polishing, casting cleaning, etc.

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| Features

| Features

  • Contains no harmful free silicon substances.
  • High hardness and toughness.
  • Resistant to high temperature, acid, and alkali, with stable chemical properties.
  • Recyclable and reusable, good economic benefits.
  • High density, less dust during sandblasting.
  • Low cost, high-cost performance.
  • Wide range of applications, suitable for various metal and non-metal surface treatments.
• Contains no harmful free silicon substances.
• High hardness and toughness.
• Resistant to high temperature, acid, and alkali, with stable chemical properties.
• Recyclable and reusable, good economic benefits.
• High density, less dust during sandblasting.
• Low cost, high-cost performance.
• Wide range of applications, suitable for various metal and non-metal surface treatments.
Brown Fused Aluminum Oxide
Component Fe₂O₃ Al₂O₃ SiO₂ TiO₂
Numerical Value 0.3–1.0% 92.5–97.0% 1.0–2.0% 1.5–4.0%
Color: Brown
Particle shape: Angular
Hardness: Mohs: 9.0
Specific Gravity: 3.9–4.0g/cm³
Bulk density (LPD): 1.5–2.0g/cm³
Brown Fused Aluminum Oxide
Component Fe₂O₃ Al₂O₃ SiO₂ TiO₂
Numerical Value 0.3–1.0% 92.5–97.0% 1.0–2.0% 1.5–4.0%
Color: Brown
Particle shape: Angular
Hardness: Mohs: 9.0
Specific Gravity: 3.9–4.0g/cm³
Bulk density (LPD): 1.5–2.0g/cm³

 

F Sand μm F Sand μm F Sand μm
F12 1400–2000 F14 1180–1700 F16 1000–1400
F30 500–710 F36 425–600 F40 355–500
F70 180–250 F80 150–212 F90 125–180
F180 63–90 F220 53–75 F24 600–850
F20 850–1180 F22 710–1000 F60 212–300
F46 300–425 F54 250–355 F150 63–106
F100 106–150 F120 90–125
F Sand μm F Sand μm F Sand μm
F12 1400–2000 F14 1180–1700 F16 1000–1400
F30 500–710 F36 425–600 F40 355–500
F70 180–250 F80 150–212 F90 125–180
F180 63–90 F220 53–75 F24 600–850
F20 850–1180 F22 710–1000 F60 212–300
F46 300–425 F54 250–355 F150 63–106
F100 106–150 F120 90–125

| Applications

| Applications

  • Remove burrs and oxides from electronic components;
  • Polish precision gears and small bearings;
  • Clean optical lenses and semiconductor surfaces;
  • Used for surface fine-tuning and polishing of high-precision instruments;
  • Removes residue and impurities from ceramic parts.
 
• Remove burrs and oxides from electronic components;
• Polish precision gears and small bearings;
• Clean optical lenses and semiconductor surfaces;
• Used for surface fine-tuning and polishing of high-precision instruments;
• Removes residue and impurities from ceramic parts.

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