// SPEC · Refractory Raw Materials
White Fused Alumina Al2O3 99% F60-F120 Medium Grit
White fused alumina Al2O3 99% in F60-F120 medium grit; tight size distribution and high friability for precision grinding wheels, optical glass polishing, and semiconductor wafer processing.
// Key Features
- Tight FEPA grit size distribution ensuring consistent surface finish Ra values
- High friability enabling cool cutting action in precision grinding of hardened steels
- Al2O3 ≥99% with Fe2O3 ≤0.04% preventing workpiece staining in critical applications
- Sharp angular crystal morphology for effective micro-cutting in fine precision grinding
// Technical Specifications
| SiO2 (%) | ≤0.04 |
| Al2O3 (%) | ≥99.0 |
| Fe2O3 (%) | ≤0.04 |
| Available Grain Sizes | F60, F80, F100, F120 |
| Bulk Density (g/cm³) | 1.78–1.92 |
// Applications
Precision internal grinding wheels for bearing inner and outer racesOptical glass surface grinding and fine lapping platesSemiconductor silicon wafer edge profile grindingVitrified grinding wheels for carbide cutting tool regrindingDental ceramic milling disc and zirconia block grinding
// Quick Specs
Max Temperature1900°C
Density3.98 g/cm³
StandardGB/T 2481.1
// Get Pricing
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