Black Aluminum Oxide Sandblasting Media 60 Mesh - High Purity Abrasive with ≥9.0 Mohs Hardness for Surface Deburring
Black fused alumina, also known as black aluminum oxide, is a high-performance abrasive material manufactured from premium bauxite ore through electric arc furnace fusion at elevated temperatures. This industrial abrasive features exceptional hardness and durability for demanding surface preparation applications.
- Color: Black with matte appearance
- Hardness: ≥9.0 Mohs scale
- Melting Point: 2050°C
- Maximum Operating Temperature: 1850°C
- True Density: ≥3.50 g/cm³
- Linear Expansion Coefficient: 7-9 (0-1600°C)
| Property | Value |
|---|---|
| Product Name | Black Corundum |
| Color | Black |
| Crystal Form | Trigonal crystal system |
| Hardness (Mohs) | ≥9.0 |
| Melting Point (°C) | 2050 |
| Maximum Operating Temperature (°C) | 1850 |
| True Density (g/cm³) | ≥3.50 |
| Component | Level 1 (%) | Level 2 (%) |
|---|---|---|
| Al2O3 | 85 | <80 |
| Fe2O3 | 6-9 | >9 |
| SiO2 | 5-8 | >8 |
| TiO2 | 2-4 | >4 |
- Grinding and Polishing: Manufacturing of grinding wheels, abrasive belts, and discs for metals and ceramics
- Surface Preparation: Sandblasting and shot blasting for rust, paint, and contaminant removal
- Precision Cutting: Cutting wheels and discs for stainless steel, carbon steel, and alloys
- Refractory Industry: Enhancing high-temperature resistance in furnaces and kilns
- Abrasive Blasting: Industrial cleaning and surface preparation systems
- Lapping and Polishing: Optical lenses, semiconductor wafers, and precision components
- Cutting Tools: Construction, metalworking, and fabrication applications
- Refractory Castables: Aggregate formulation for high-temperature environments
- Abrasive Powders: Fine polishing in jewelry, optics, and electronics manufacturing
- Tumbling and Deburring: Removing burrs and sharp edges from metal and plastic components
Zhengzhou Xinli Wear-resistant Materials Co. Ltd.
Founded in 1996, Zhengzhou Xinli Group is a professional manufacturer specializing in abrasives production, R&D, and sales of various wear-resistant materials. With advanced production equipment and testing instruments, the company achieves annual sales of 3,000 tons across various international standards including PEPA, JIS, and ANSI.
- 1 ton/jumbo bag
- Jumbo bag + wooden pallets
- 25kgs/bag, 40 bags/jumbo bag
- 25kgs/woven bag or kraft paper bag
- All packaging can be customized according to customer requirements
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.