Brown Fused Aluminum Oxide (fine Powder)
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.
Henan Qingjiang Industrial Co., Ltd. provides standard FEPA grade brown corundum.
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
| Al 2 O 3 | 95.5% |
| TiO 2 | 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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