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Polishing Abrasive Grinding Media Aluminium Oxide Polishing Powder Al2O3
Al2O3 Macro Powder
Alumina powder, also known as aluminium oxide or activated alumina, is a chemical compound that is mainly used to produce aluminium.
| Model | Powder | Cake(piece) | Granular(Ball) |
| Shape | White loose powder | White cake | White granular |
| The average primary particle diameter (um) | 0.2-3 | - | - |
| The specific surface area (m / g) | 3月12日 | - | - |
| Bulk Density (g / cm) | 0.4-0.6 | - | 0.8-1.5 |
| The bulk density (g / cm) | - | 3.2-3.8 | - |
| Al2O3 content (%) | 99.999 | 99.999 | 99.999 |
| Si(ppm) | 2 | 2 | 2 |
| Na(ppm) | 1 | 1 | 1 |
| Fe(ppm) | 1 | 1 | 1 |
| Ca(ppm) | 1 | 1 | 1 |
| Mg(ppm) | 1 | 1 | 1 |
| S(ppm) | 1 | 1 | 1 |
| Ti(ppm) | 0.3 | 0.3 | 0.3 |
| Cu(ppm) | 0.8 | 0.8 | 0.8 |
| Cr(ppm) | 0.5 | 0.5 | 0.5 |
| According to different requirements can provide powder, granule, block, pie or column type | |||
1.Luminescent materials: rare earth trichromatic phosphors used as the main raw material long afterglow phosphor, PDP phosphor, LED phosphor;
2.Transparent ceramics: used as fluorescent tubes for high pressure sodium lamp, electrically programmable read-only memory window;
3.Single Crystal: for the manufacture of ruby, sapphire, yttrium aluminum garnet;
4.High strength high alumina ceramic:as the substrate used in the manufacture of integrated circuits, cutting tools and high purity crucible;
5.Abrasive:manufacture the abrasive of glass, metal, semiconductor and plastic;
6.Diaphragm: Application for the manufacture of lithium battery separator coating;
7.Other: as an active coating, adsorbents, catalysts and catalyst supports, vacuum coating, special glass materials, composite materials, resin filler, bio-ceramics etc.
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