Brown Aluminum Oxide HS Code 28181010, CAS No. 1344-28-1, is a tough, sharp abrasive which is highly suitable for grinding metals of high tensile strength. Its thermal properties make it an excellent material for use in the manufacture of refractory products. This material is also used in other applications like blasting and surface hardening.

Brown Aluminum Oxide F54 Chemical Composition
Al2O3 | ≥95.0% |
Fe2O3 | ≤0.30% |
SiO2 | ≤1.00% |
TiO2 | 1.7-3.4% |
CaO | ≤0.42% |
Brown Aluminum Oxide F54 Physical properties
Color | Brown |
Moh’s hardness | ≥9.0 |
Melting point | 2050℃ |
The Max. services temperature | 1900℃ |
Specific gravity | 3.95g/cm3 |
Bulk density | 1.68-1.99g/cm3 |
Real density | ≥3.90g/cm3 |
Brown Aluminum Oxide F54 Particle Size Distribution(PSD)
F054 | +500um | 0 | +355um | ≤30% | +300um | ≥40% | +300+250um | ≥65% | -212um | ≤3% |

Note: Other grade brown aluminum oxide F54 also can be available
Ingredients | Grade A | Grade A’ | Grade B | Grade B’ | Grade C |
Al2O3 | 95% | 90% | 85% | 80% | 70% |
TiO2 | 1.5% | 1.8% | 2.0% | 2.6% | 3.8% |
SiO2 | 1.5% | 1.8% | 2.0% | 2.5% | 3.0% |
Fe2O3 | 0.3% | 1.0% | 1.8% | 3.0% | 4.3% |
Please note: Using time: Grade A 5-7tims. Grade B 3-5times. Grade C 1-2times.
All data based upon RunLong Enterprise’s standard test methods. We could supply grit size according to FEPA, JIS, ANSI, GB & P Standard.
Specific usages of brown aluminum oxide:

1.Used to produce high grade refractory, castable, refractory brick; Main size is 1-3, 3-5, 5-8mm.
2. Used for Grinding wheel—-When grinding high tensile strength materials, choose the good toughness brown aluminum oxide.
When grinding low hardness with elongation of the material, choose brittle brown aluminum oxide.
3. Used for Sandblasting – Features: Moderate hardness, high bulk density, without free silicon dioxide, good toughness, fine size and without ash.
4. Used for Floor sand- Low grade brown aluminum oxide can be As an additive for wear-resistant floorings.
Packing and storage
Packing: Double coated plastic woven / paper bag, net weight 25kg.
Big bag packing, net weight 1000kg / 1250kg per clients’ request.
Storage: Dry, ventilated, moisture proof.
