... redidtance repeated use 3.less wastage 4.less abrasion for nozzle,extend 1.CHARACTERISTIC; 1)The chemical composition is intertia ... ,repeated use,less wastage. 3)Less abrasion for nozzle,extend life for nozzle2.PURPOSE 1)Blasting,remove stress,increase fatigue strength ... 2)Blasting for derusting,detearing,removing carbon deposition and tool mark of ...