White Fused Alumina High purity (99.5%) Al2O3. The standard for precision grinding and high-end refractories. Al₂O₃ ≥ 99.5% Na₂O ≤ 0.2% FEPA F12–F220, F230–F2000 FEPA-F, FEPA-P, JIS, GB Add to Quote View Quote List