Brown Fused Alumina Technical Data Sheet

A Technical Data Sheet (TDS) provides comprehensive material specifications, chemical composition, and physical properties essential for industrial procurement, quality control, and regulatory compliance. This document enables engineers, buyers, and compliance officers to evaluate material suitability, verify conformance to industry standards, and ensure optimal performance in abrasive applications.

Brown Fused Alumina is a premium abrasive material manufactured through electric arc furnace fusion of high-grade bauxite, delivering exceptional hardness, durability, and cutting performance for demanding industrial applications.

Property Value Notes
Mohs Hardness 9.0 Exceptional cutting performance
Al₂O₃ Content ≥ 95% High purity aluminum oxide
TiO₂ Content ≤ 3.0% Controlled titanium dioxide levels
Fe₂O₃ Content ≤ 0.3% Minimal iron oxide impurities
Specific Gravity ~3.9 g/cm³ Dense, high-quality material
Bulk Density 1.60 – 2.10 g/cm³ Varies with particle size distribution
Melting Point ~2050°C Superior thermal stability
Color Dark brown Characteristic appearance
Particle Shape Angular Sharp cutting edges for efficiency
Typical Applications Grinding wheels, blasting, refractory Versatile industrial applications

Complete Technical Documentation

Access the comprehensive Technical Data Sheet with detailed test methods, quality certifications, particle size distributions, safety data sheets, and application-specific guidelines essential for industrial procurement and engineering evaluation.

Complete Package Includes: Detailed chemical analysis • Particle size specifications • Quality certificates • Safety data sheets • Application guidelines • Test method references

Frequently Asked Questions

How does Mohs hardness of 9.0 translate to grinding performance?
A Mohs hardness of 9.0 indicates exceptional cutting ability, making Brown Fused Alumina suitable for grinding hard materials including tool steels, carbon steels, and cast iron. This hardness level ensures consistent material removal rates and extended wheel life in demanding applications.
What is the relationship between grit size and bulk density?
Bulk density varies inversely with grit size due to packing efficiency. Coarser grits (lower mesh numbers) exhibit higher bulk density approaching 2.10 g/cm³, while finer grits demonstrate lower bulk density around 1.60 g/cm³. This relationship affects material flow characteristics and bonding agent requirements in manufacturing processes.
Why is Al₂O₃ content critical for abrasive performance?
Aluminum oxide content directly correlates with material hardness, thermal stability, and cutting efficiency. The minimum 95% Al₂O₃ specification ensures consistent performance characteristics, reduced friability, and optimal material removal rates across diverse industrial applications.
How do impurity levels affect material performance and compliance?
Controlled impurity levels (≤3.0% TiO₂, ≤0.3% Fe₂O₃) ensure consistent material properties and meet strict quality standards for aerospace, automotive, and precision manufacturing applications. Low iron content minimizes contamination risks in sensitive grinding operations.
What quality certifications and testing standards apply?
Brown Fused Alumina typically conforms to ANSI B74.4, ISO 8486, and FEPA standards for abrasive grain specifications. Quality certifications include chemical analysis per ASTM methods, particle size distribution testing, and batch-specific documentation for traceability and compliance verification.