ThermalEast
// 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.

Refractory Raw MaterialsMax Temp: 1900°CGB/T 2481.1

// 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 SizesF60, 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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