Brown Fused Aluminum Oxide.
NYTWO brown corundum (Al₂O₃≥95%) is made by high-temperature smelting in an electric arc furnace. It has excellent thermal stability (Mohs hardness 9) and thermal shock resistance, and is widely used in the fields of refractory bricks, casting coatings, and wear-resistant floors in the steel industry. It supports customization of chemical composition and particle size distribution according to ASTM/DIN standards.
High Strength Brown Fused Alumina Refractory Solutions
Products Description
NYTWO specializes in supplying high-quality Brown Aluminum Oxide, which is resistant to high temperatures up to 1850°C and is suitable for refractory materials, sandblasting abrasives, and ceramic reinforcement. We provide 325-800 mesh fine grading and customized particle size and chemical composition requirements.
NYTWO brown corundum (Al₂O₃≥95%) is made by high-temperature smelting in an electric arc furnace. It has excellent thermal stability (Mohs hardness 9) and thermal shock resistance, and is widely used in the fields of refractory bricks, casting coatings, and wear-resistant floors in the steel industry. It supports customization of chemical composition and particle size distribution according to ASTM/DIN standards.
Why choose NYTWO brown corundum?
High temperature performance
Maximum operating temperature 1850°C, thermal expansion coefficient as low as 8×10⁻⁶/K
Multiple particle size options
From coarse particles (F12-F220) to micro powder (325 mesh-800 mesh)
Customized service
TiO₂ and SiO₂ content can be adjusted to meet different industry standards
Environmental certification
In compliance with ISO 9001 and REACH regulations
Brown corundum industrial application areas
Refractory materials
- Ladle casting materials, blast furnace tapping ditch ramming materials
- 40% higher slag erosion resistance than ordinary corundum
Surface treatment
- Sandblasting rust removal efficiency is 3 times higher than quartz sand
- The preferred abrasive for precision grinding of aviation parts
Product Parameters
| Granularity | Al2O3 | SiO2 | TiO2 | Fe2O3 |
| Powder | ≥94.50% | ≤1.20% | ≤3.0% | ≤0.25% |
| 0-1mm | ≥95.00% | ≤1.20% | ≤3.0% | ≤0.25% |
| 1-3mm | ≥95.00% | ≤1.20% | ≤3.0% | ≤0.25% |
| 3-5mm | ≥95.00% | ≤1.20% | ≤3.0% | ≤0.25% |
| 5-8mm | ≥95.00% | ≤1.20% | ≤3.0% | ≤0.25% |
| Granularity | Al2O3 | SiO2 | TiO2 | Fe2O3 |
| 12-80# | ≥95.00% | ≤1.20% | ≤3.0% | ≤0.25% |
| 100-180# | ≥95.00% | ≤1.20% | ≤3.5% | ≤0.25% |
| 240-280# | ≥94.50% | ≤1.50% | ≤3.5% | ≤0.30% |
| Project | Index |
| Color | Dark Brown |
| Crystal form | Trigonal system |
| Mohs hardness | ≥9.0 |
| Melting point(℃) | 2050 |
| True density (g/cm3) | ≥3.90 |
FAQ
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