... :golden yellow, khaki, brown, red granular / flake Product Form: powdery solid and liquid ItemsFor drinking waterFor other waterLiquidSolidLiquidSolidRelative density (20C)≥1 ... .50.51.01.53.0Usesa, Urban water supply and drainage purification: river water, reservoir water, groundwater.b, industrial water purificationc, urban sewage treatmentd, industrial ...