High Purity BFA 14# Alumina Grit Brown Fused Aluminum Oxide - 95% Al2O3 Content, 3.85 Bulk Density for Sandblasting and Grinding
High Purity BFA 14# Alumina Grit is a premium brown fused aluminum oxide abrasive manufactured through high-temperature arc smelting at 2000°C or higher. This industrial abrasive features dense texture, high hardness, and spherical pellets ideal for demanding applications.
- High purity composition with ≥95% Al2O3 content
- Excellent crystallization and strong fluidity characteristics
- Low linear expansion coefficient and superior corrosion resistance
- No explosion, no chalking, and no cracking during application
- Cost-effective performance exceeding traditional brown corundum
| Grade | Al2O3 (%) | Fe2O3 (%) | SiO2 (%) | Bulk Density | Color | Primary Application |
|---|---|---|---|---|---|---|
| Grade I | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Maroon | Refractory material |
| Grade II | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Black particle | Fine polishing |
| Grade III | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Gray powder | Polishing, grinding |
| Grade IV | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Black particle | Grinding, cutting, sandblasting |
| Grade V | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Gray powder | Polishing, grinding |
This versatile abrasive material is suitable for ceramic production, high-resistance abrasive resin manufacturing, grinding, polishing, sandblasting, precision casting, and high-grade refractory applications.
Produced from high-quality bauxite, anthracite, and iron filings through arc smelting at 2000°C+, followed by crushing, plasticizing via self-grinding machine, magnetic iron removal, and precise sieving into various sizes.
Founded in 1996, Zhengzhou Xinli is a professional enterprise specializing in R&D, production, and sales of various wear-resistant materials including white corundum powder, alumina powder, green silicon carbide powder, and brown corundum powder. The company maintains complete inspection equipment, rigorous quality control systems, and holds ISO9001:2015 quality management system certification.
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