Brown Aluminum Oxide HS Code 28181010, CAS No. 1344-28-1, (called as corundum sand in China) is made by chemical grade calcined alumina with electron fusing in temperature over 2000ºC. Characterized with phase, thermal and chemical stability, it is idea raw material for products like ceramic roller, kiln furniture and refractory products for metallurgy.
Brown Aluminum Oxide F60 Chemical Composition
| Al2O3 | ≥95.0% |
| Fe2O3 | ≤0.30% |
| SiO2 | ≤1.00% |
| TiO2 | 1.7-3.4% |
| CaO | ≤0.42% |
Brown Aluminum Oxide F60 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 F60 Particle Size Distribution(PSD)
| F060 | +425um | 0 | +300um | ≤30% | +250um | ≥40% | 250+212um | ≥65% | -180um | ≤3% |
Note: Other grade brown aluminum oxide F60 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
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
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.
