
Brown Aluminum Oxide, HS Code 28181010, CAS No. 1344-28-1, it is a product manufactured by gradual melting reduction of calcined bauxite in an electric arc furnace at high temperature (approximately 2000 degrees Celsius). Its chemical composition consists mainly of Al2O3 (94,5-97%) and vestigial amounts of TiO2, SiO2, Fe2O3, CaO and MgO.

Brown Aluminum Oxide F016 Chemical Composition
Al2O3 | ≥95.0% |
Fe2O3 | ≤0.30% |
SiO2 | ≤1.00% |
TiO2 | 1.7-3.4% |
CaO | ≤0.42% |
Brown Aluminum Oxide F016 Physical properties
Color | Brown |
Crystal shape | α-Al2O3 Trigonal |
Hardness(mohs) | ≥9.0 |
Micro Hardness | HV1800-2200 |
Melting Point (℃) | 2050 |
True Density (g/cm3) | ≥3. 90 |
Bulk Density(g/cm3) | 1.68-1.95 |
Linear Expansion Coefficient(0—1600℃) | 7.6 |
Brown Aluminum Oxide F016 Particle Size Distribution(PSD)
F016 | +2000um | 0 | +1400um | ≤20% | +1180um | ≥45% | +1180+1000um | ≥70% | -850um | ≤3% |
Applications

Flooring industry:
– Additive for wear-resistant floorings
Blast-cleaning:
– Cleaning metallic surfaces with removal of material (abrasive effect)
– Removing rust and scale from metallic surfaces
– Removing tempering colour
– Removing paint
Other:
– Surface pre-treatment before applying protective coatings or metal spraying
– Roughening metallic surfaces before applying coatings (sweeping)
– Processing very hard components
– Deburring
– Creating a matt finish on glass
– Blasting stone (for stone masonry)
– refractory material, ceramics, coatings ,bonded & coated abrasives
Please note: Other grade brown aluminum oxide 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% |
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.
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.
