Brown Fused Aluminum Oxide(BFA) (Al2O3)
Section sand: 1-0mm 3-1mm 5-3mm 8-5mm Fine Powder: 200Mesh 325Mesh Grit sand: ANSI or FEPA F or P 8, 10, 12, 14, 16, 20, 24, 30, 36, 46, 54, 60, 70, 80, 90, 100, 120, 150, 180, 220, 240 . Micro powder: FEPA F sized 280, 320, 360, 400, 500, 600, 800, 1000, 1200 Brown fused alumina is a tough,...
Section sand
1-0mm 3-1mm 5-3mm 8-5mm
Fine Powder
200Mesh 325Mesh
Grit sand
ANSI or FEPA F or P 8, 10, 12, 14, 16, 20, 24, 30, 36, 46, 54, 60, 70, 80, 90, 100, 120, 150, 180, 220, 240 .
Micro powder
FEPA F sized 280, 320, 360, 400, 500, 600, 800, 1000, 1200
Brown fused alumina is a tough, long-lasting material. Its color is brown because its impurity level is slightly higher than that of white corundum. With a Mohs hardness of 9, brown corundum is a high-strength wear-resistant material with the ability to resist strong chemical attack (such as acids and alkalis) at extreme temperatures. Typical applications for brown corundum include sandblasting and grinding.
Product Features
◆High hardness ◆High compressive strength ◆Abrasion resistance ◆Corrosion resistance ◆High refractoriness ◆Excellent electrical insulation properties ◆High melting point
Product application
◆Sandblasting ◆Microcrystalline microdermabrasion ◆Grinding ◆Metal preparation ◆Anti-slip ◆Abrasive ◆Milling
Physical and chemical indicators
| Al2O3 | 95.5% |
| TiO2 | 2.7% |
| SiO2 (not free) | 0.67 |
| Fe2O3 | 0.25 |
characteristic
| crystal | Alpha alumina |
| true density | 3.85 grm/cc |
| Bulk density | 132 lbs/ ft3 (depends on size) |
| hardness | KNOPPS = 2000, MOHS = 9 |
| melting point | 2,000°C |
|
Specifications |
AL203 |
Fe2O3 | SiO2 | density | Exterior | use | Package |
| Level 1 | ≥ 95 | ≤0.3 | ≤1.5 | 3.85 | Brown-red particles | Refractory, fine polished | 25KG/bag |
| next level | ≥ 92 | ≤0.3 | ≤1.5 | 3.85 |
black particles gray powder |
polishing, grinding |
25KG/bag |
| secondary | ≥ 85 |
≤0.3 |
≤1.5 | 3.85 |
black particles gray powder |
Grinding, grinding wheels, cutting discs, sandblasting |
25KG/bag |
| secondary | ≥ 80 |
≤0.3 |
≤1.5 |
3.85 |
black particles gray powder |
polishing, grinding |
25KG/bag |
| Level 3 | ≥ 70 |
≤0.3 |
≤1.5 |
3.85 |
black particles gray powder |
floor |
25KG/bag |
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