Fused Mullite

1st Grade 2st Grade Al2O3 70-77% 60-70% SiO2 22-29% 25-35% Fe2O3 0.1% max 1.0% max Refractoriness 1850°C 1800°C Mullite phase 95% min 90% min Brand Property GRIT(>0.1mm) FINE(≤0.1m