Brown Fused Alumina

BFA is crafted through an electric arc furnace process from bauxite, ensuring a product of high purity and durability. Its key characteristics include extreme hardness and high thermal resistance, making it an ideal material for a wide range of industrial applications.range of industrial applications.

Comprehensive Size Range and FEPA Standards

• Macro Grits for Abrasive Tools: 8# to 24# for aggressive material removal, ideal for robust cutting and grinding tools.
• Intermediate Grits for Smoothing Operations: 30# to 60# for intermediategrade sanding and surface preparation.
• Fine Grits for Polishing Applications: 70# to 220# designed for fine polishing, achieving smooth and precise finishes.
• Micro Grits for High Precision: 240# to 1500# used in precision instruments and high-tech industries requiring ultra-fine surface conditioning.
• Specialized Refractory Grits : 0-1mm up to 10-20mm, with larger custom sizes like 0-50mm available for high-density refractory products and mass casting processes.
• FEPA F Grits (Bonded Abrasives): F8 to F220 for bonded abrasive products.
• FEPA P Grits (Coated Abrasives): P24 to P2500 for coated abrasive applications.

Technical Parameters and Physical Properties

• Density Profiles: Detailed density measurements from 3.90 to 4.10 g/cm³ facilitate precise usage calculations.
• Thermal Properties: High thermal stability up to 2250°C, ideal for hightemperature industrial processes.
• Mechanical Characteristics: High hardness (9 on the Mohs scale) ensures longevity in abrasive environments.
• Electrical Properties: Low electrical resistivity makes it suitable for applications requiring minimal electrical interference.

Extensive Applications

• Industrial Abrasives: Manufacturing of cutting discs, grinding wheels, and sandblasting media.
• Refractory Production: Used in the creation of refractory bricks and linings for high-temperature furnaces.
• Surface Preparation: Critical in blasting applications for cleaning and precoating surfaces.
• Precision Casting Techniques: Employed in investment casting for aerospace and automotive sectors due to its high thermal properties.
• Advanced Ceramics and Composites: As a component in ceramic matrix composites for enhanced thermal and wear resistance.