Purpose Specification Chemical composition(%) Al203 Nao Cao F12-F80 99.0Min 0.5Max 0.4Max For abrasive F90-F150 98.5Min 0.6Max 0.4Max F180-F240 98.2Min 0.7Max 0.4Max For abrasive W1-W63 97.5Min 0.8Max 0.5 Max 0-1mm 99.0Min 0.5Max 0.4Max 1-3mm 99.0Min 0.5Max 0.4Max For Refractory 3-5mm 99.0Min 0.5Max 0.4Max 5-8mm 99.0Min 0.5Max 0.4Max 8-12mm 99.0Min 0.5Max 0.4Max For Refractory 0-180mesh 98.5Min 0.5Max 0.4Max 0-220mesh 98.5Min 0.5Max 0.4Max 0-320mesh 98.5Min 0.5Max 0.4Max In 1MT Big Bag, In 25kg Plastic woven bag, 40 bags in 1MT Big Bag