Brown Aluminum Oxide, HS Code 28181010, CAS No. 1344-28-1, is characterized by good toughness, high mechanical resistance and hardness (9 in Mohs scale). The micro hardness of the material reaches about 1900kG/mm2. Specific gravity (density) equals 3,90+/-0,05 g/cm3. Bulk density depending on size equals 1,68-1,95 g/cm3. It has relatively high thermal conductivity and low thermal expansion. As regards electricity it is an insulator.
Brown Aluminum Oxide Grit Size F012 Chemical Composition
| Al2O3 | ≥95.0% |
| Fe2O3 | ≤0.30% |
| SiO2 | ≤1.00% |
| TiO2 | 1.7-3.4% |
| CaO | ≤0.42% |
Brown Aluminum Oxide Grit Size F012 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 Grit Size F012 Particle Size Distribution(PSD)
| F012 | +2800um | 0 | +2000um | ≤20% | +1700um | ≥45% | +1700+1400um | ≥70% | -1180um | ≤3% |
Usage:
1, Used For Manufacturing High-Grade Refractory Materials, Castable, Firebrick, Etc.
2, Sandblasting – Abrasive Hardness Moderate, High Packing Density, No Free Silica, Than Major, Good Toughness, Is The Ideal “Environmental Protection” Type Sandblasting Material, Widely Used In Aluminum, Copper Profile Glass, Washing Jeans Precision Mold And Other Fields;
3, Free Grinding – Grinding Grade Abrasive, Used In Kineshoon, Optical Glass, Monocrystalline Silicon, Lenses, Clocks And Watches With Glass, Crystal Glass, Jade And Other Fields Of Free Grinding, Is Widely Used In The Domestic Advanced Grinding Materials;
4, Resin Abrasives – Abrasives With Appropriate Color, Good Hardness, Toughness, Suitable Particle Section Type And Cutting Edge Maintenance Degree, Applied To Resin Abrasives, The Effect Is Ideal;
5, Coated Abrasives – Abrasives Are The Production Raw Materials Of Sandpaper, Gauze And Other Manufacturers;
6, Functional Packing – Mainly Used For Automobile Brake Parts, Special Tires, Special Construction Products, Etc., Can Be Used As The Construction Of Highway Pavement. Airstrip. Dock. Parking Lots. Industrial Floors. Wear Resistant Materials Such As Sports Venues;
7, Filter Medium – Is a New Application Field Of Abrasive, Granular Abrasive As The Bottom Medium Of The Filter Bed, Purification Of Drinking Water Or Wastewater, Is a New Type Of Water Filtration Material At Home And Abroad, Especially Suitable For Non-Ferrous Metal Dressing: Oil Drilling Mud Weighting Agent
8, Hydraulic Cutting – Abrasive As Cutting Medium, Rely On High Pressure Hydraulic Jet For Basic Cutting, Applied To Oil (Natural Gas) Pipelines, Steel And Other Parts Of The Cutting, Is a New, Environmental Protection, Safe Cutting Way
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% |
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.
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.
