... powder, 8-30mesh, more than 95% passed1,Cyanuric acid (powder, granular, tablet) 98%min. 2, Pool Chemical, Water Treatment Chemical ... 3, Plate Dryer. Appearance: White powder , granular or colored tablet form, non-toxic and odorlessSpecifications ItemsIndexPowderGranularcontent98.5 ... max0.5%max Iron(Fe)10 ppm max25 ppm max Sulphate(SO42-)0.5%max Size 8-30mesh, 90%through ...