WFA 1),Purity 99% min; 2).Very low amount of iron oxide, suitable for ... stability and thermal shock resistance can be improved.Advantages 1),Purity 99% min; 2).Very low amount of iron oxide, suitable for ... tile, and pressure blasting. It is used where a high purity and/or highly friable abrasive is desired.Chemical analysis: Chemical ... sizes available:0-1mm/1-3mm/3-5mm/5-8mm 99.9% White Fused Alumina