Brown fused aluminum oxide(BFA), local name, also known as carborundum,is brown artificial corundum which are melting in arc furnace from three material alumina, carbon materials, and scrap iron, so the main chemical composition of brown fused aluminum oxide is Al2O3, its content is from 95.00% to 97.00%, the other contains a small amount of Fe, Si, Ti, brown fused alumina oxide is the most basic of abrasive, grinding performance is good, because of its applicability is wide and its price is cheap, they are suitable for grinding the high tensile metals, such as all kinds of general steel, malleable cast iron, hard bronze, etc., also can make advanced refractories. Brown corundum they have the characteristics of high purity, good crystallization, strong liquidity, low linear expansion coefficient and corrosion resistance.
Brown Fused Aluminum Oxide F24 Grit Chemical Composition
| Al2O3 | ≥95.0% |
| Fe2O3 | ≤0.30% |
| SiO2 | ≤1.00% |
| TiO2 | 1.7-3.4% |
| CaO | ≤0.42% |
Brown Fused Aluminum Oxide F24 Grit 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 Fused Aluminum Oxide F24 Particle Size Distribution(PSD)
| F024 | +1180um | 0 | +850um | ≤25% | +710um | ≥45% | +710+600um | ≥65% | -500um | ≤3% |
Note: Other grade brown fused aluminum Oxide F24 grit 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 1-2 times.
All data based upon RunLong Enterprise’s standard test methods. We could supply grit size according to FEPA, JIS, ANSI, GB & P Standard.
Brown Fused Aluminum Oxide Application Areas:
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.
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.
Delivery
1. The sample will be send by International expresses FEDEX/DHL/UPS/TNT.
2. Full container Load(FCL): By vessel Or International Railway Transportation
3. Less Than Container Load(LCL): By vessel or By air
Payment
1. Payment: T/T, Western Union,LC; Usually 30% deposits,70% balance before delivery or negotiations to solve.
2. MOQ: Usually 1Tons
3. Quality Warranty: 1 years
