High Purity Black Aluminium Oxide Blasting Media Al2O3 80% Min J16# - J240#
Black Aluminum oxide blasting media Top Quality Al2O3 80% Min.
Black aluminum oxide is a new alternative abrasive, it is mainly divided into two grades, ordinary grade and top-quality grade. The ordinary grade Al2O3 content is 62% min., and the Top-quality grade Al2o3 content is 80% min.
Top quality black aluminum oxide is harder than ordinary black aluminum oxide, with similar hardness as Brown aluminum oxide, and is mainly used for high-grade sandblasting and polishing. The newly developed black aluminum oxide top-quality P sand is a new type of abrasive for producing sandpaper and abrasive belt.
| Specification | Chemical Composition % | ||
| Al2O3 | Fe2O3 | SiO2 | |
| Ordinary Grade | 62% Min. | 6-12% | ≤25 |
| Top quality | 80% Min. | 4-8% | ≤10 |
| Items | Index |
| Color | Black |
| Crystal Structure | Trigonal |
| Hardness (Mohs) | 8.0-9.0 |
| Melting temperature(℃) | 2050 |
| Max. operating temperature(℃) | 1850 |
| Specific gravity(g/cm3) | 3. 50 Min. |
| Sizes Available: | |
| Ordinary Grade | Top-quality |
| Grits: F12#-F400 | Grits: F46#-F240# |
| Section sand: 0-1,0.4-1,1-3,3-5mm | Micropowder: F280-F1000 |
Package: 25kgs bag+ Ton bags or Pallets or as per customer's requests.
Delivery: 10-30 days on board according to quantity 25-200mt.
FOB Tianjin, China
- Suitable for many new industries like nuclear power, aviation, 3C products, high quality stainless steel, special ceramics, etc.
Why Choose us?
1) 20 years abrasive industry experiences
2) The biggest black fused alumina producer in China, one of Top 10 corundum manufacturers in China
3) Well-known brand in China Abrasive Industry
4) Free samples to test
Caroline Cui
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