Andalusite Chemical analysis: Al2O3 : 57.6% SiO2: 37.32Min Fe2O3: 0.95% Size: 8-5mm, 5-3mm,1-0.5mm,0.5-0mm or as buyers’ requirement. Uses: as raw material to produce unshaped refractory material, refractory bricks, silicon-aluminium alloy, alumina and aluminium etc |