... , F60, F70, F80, F90, F100, F120, F150, F180, F220 Micron Powder: F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200 ... and quality;4.Containing a very low amount of iron oxide, suitable for non-ferrous blasting operations;5.After acid washing ...