| Customization: | Available |
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| Natural Abrasive Type: | Natural Corundum |
| Artificial Abrasive Type: | Corundum Abrasives |
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| Typical Anaysis | Characteristics | |||
| Al2O3 | 99.5% | Crystal Form | Rhombohedral Class | |
| TiO2 | 0.0995% | Chemical Nature | Amphoteric | |
| SiO2 (not free) | 0.05 | Specific Gravity | 3.95 grm/cc | |
| Fe2O3 | 0.08 | Bulk Density | 116 lbs/ ft3 | |
| MgO | 0.02 | Hardness | KNOPPS = 2000, MOHS = 9 | |
| Alkali (Soda & Potash) | 0.30 | Melting Point | 2,000°C | |
| Reaction with Acids | Subject to mild attack by aqua regia and/or Hydrofluic | |||
| White Aluminum Oxide Grit Specifications | |
| Mesh | Average Particle Size the smaller the mesh number, the coarser the grit |
| 8 Mesh | 45% 8 mesh (2.3 mm) or larger |
| 10 Mesh | 45% 10 mesh (2.0 mm) or larger |
| 12 Mesh | 45% 12 mesh (1.7 mm) or larger |
| 14 Mesh | 45% 14 mesh (1.4 mm) or larger |
| 16 Mesh | 45% 16 mesh (1.2 mm) or larger |
| 20 Mesh | 70% 20 mesh (0.85 mm) or larger |
| 22 Mesh | 45% 20 mesh (0.85 mm) or larger |
| 24 Mesh | 45% 25 mesh (0.7 mm) or larger |
| 30 Mesh | 45% 30 mesh (0.56 mm) or larger |
| 36 Mesh | 45% 35 mesh (0.48 mm) or larger |
| 40 Mesh | 45% 40 mesh (0.42 mm) or larger |
| 46 Mesh | 40% 45 mesh (0.35 mm) or larger |
| 54 Mesh | 40% 50 mesh (0.33 mm) or larger |
| 60 Mesh | 40% 60 mesh (0.25 mm) or larger |
| 70 Mesh | 45% 70 mesh (0.21 mm) or larger |
| 80 Mesh | 40% 80 mesh (0.17 mm) or larger |
| 90 Mesh | 40% 100 mesh (0.15 mm) or larger |
| 100 Mesh | 40% 120 mesh (0.12 mm) or larger |
| 120 Mesh | 40% 140 mesh (0.10 mm) or larger |
| 150 Mesh | 40% 200 mesh (0.08 mm) or larger |
| 180 Mesh | 40% 230 mesh (0.06 mm) or larger |
| 220 Mesh | 40% 270 mesh (0.046 mm) or larger |
| 240 Mesh | 38% 325 mesh (0.037 mm) or larger |
| 280 Mesh | Median: 33.0 - 36.0 micron |
| 320 Mesh | 60% 325 mesh (0.037 mm) or finer |
| 360 Mesh | Median: 20.1-23.1 micron |
| 400 Mesh | Median: 15.5-17.5 micron |
| 500 Mesh | Median: 11.3-13.3 micron |
| 600 Mesh | Median: 8.0-10.0 micron |
| 800 Mesh | Median: 5.3-7.3 micron |
| 1000 Mesh | Median: 3.7-5.3 micron |
| 1200 Mesh | Median: 2.6-3.6 micron |
3. TYPICAL PROPERTIES
High Hardness
High Compression Strength
Abrasion/ Wear-Resistance
Abrasives
Chemical Inertness
High Degree of Refractoriness
Superior Electrical Insulating Properties
Dielectric Properties
High Melting Point
White aluminum oxide is a versatile abrasive material that can be used in a wide range of applications, including:
Grinding and cutting: White aluminum oxide is commonly used in grinding wheels, cutting discs, and other abrasive tools for metalworking, woodworking, and other applications.
Surface preparation: It is used for surface preparation before painting, coating, or bonding.
Precision grinding: White aluminum oxide is used for precision grinding of metals, ceramics, and other materials in the aerospace, automotive, and medical industries.
Polishing: It is used for polishing and finishing of glass, ceramics, and metals.
Sandblasting: White aluminum oxide is used as a blasting media for cleaning and preparing surfaces.
Overall, white aluminum oxide is a popular choice for abrasive applications due to its high purity, hardness, and self-sharpening ability.
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