Our Product

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.

Enhanced Chemical Specifications

Component	Brown Fused Alumina
Al2O3 (Aluminum Oxide)	94% to 97.5%
Fe2O3 (Iron Oxide)	0.3%
SiO2 (Silicon Dioxide)	1.2%
TiO2 (Titanium Dioxide)	2.2% to 3.0%
CaO (Calcium Oxide)	Approximately 0.4%

Other Trace Elements: Monitored to ensure they do not detract from the alumina's performance.

Here are the specifications for Brown Fused Alumina

Tilting Furnace:

Al2O3	Fe2O3	SiO2	TiO2
= 95%	= 0.3%	= 1.0%	= 3.0%

Fixed Furnace:

Al2O3	Fe2O3	SiO2	TiO2
= 95%	= 0.3%	= 1.5%	= 3.0%

General Specifications:

Al2O3	Fe2O3	SiO2	TiO2	Bulk Density (B.D
= 95%	= 2.8%	= 1.0%	= 0.5%	1.89 g/cc

These specifications outline the chemical composition and density, reflecting the quality and standards of the alumina produced in different furnace setups.

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.