Brown Aluminum Oxide HS Code 28181010, CAS No. 1344-28-1, is produced by the smelting of Calcined Bauxite in an electric arc furnace at temperatures greater than 2000°C. A slow solidification process follows the fusion, to yield blocky crystals. Strict control over Titania levels during the fusion process ensures optimum toughness of the grains. The cooled crude is further crushed, cleaned of magnetic impurities in high intensity magnetic separators and classified into narrow size fractions to suit the end use. Dedicated lines produce products for different applications.
Brown Aluminum Oxide 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.
Main Physical Properties
| Color | Brown |
| Moh’s hardness | ≥9.0 |
| Melting point | 2050℃ |
| The maximum temperature | 1900℃ |
| Specific gravity | 3.95g/cm3 |
| Bulk density | 1.68-1.99g/cm3 |
| Real density | ≥3.90g/cm3 |
Chemical Composition
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
Product Specification / Models
For Refractory
0-0.1mm 0-0.2mm 0-0.5mm 0-1mm 0.5-1mm 1-3mm 3-5mm 5-8mm 100mesh 200mesh 325mesh
Other specs are available upon request.
For Bonded & Coated Abrasives
Bonded abrasives: F24 F30 F36 F40 F46 F54 F60 F80 F100 F120 F150 F180 F220 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200
Coated abrasives: P24 P30 P36 P40 P50 P60 P80 P100 P120 P150 P180 P220 P240 P280 P320 P360 P400 P500 P600 P800 P1000 P1200 P1500 P2000 P2500 P3000
Other specs are available upon request.
For Sandblasting & Grinding
F24 F30 F36 F40 F46 F54 F60 F80 F100 F120 F150 F180 F220 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200
Other specs are available upon request.
For further technical data sheet, please do not hesitate to contact us.
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.
