... drinking water and industrial water. Under normal temperature, its chemical property is stable. It is no toxicity and harmful. Rapid ... in alum flower, quick in precipitation, good in filter property, raising the effect of equipment application, low in cost in ... Data:Appearanceyellow powderAl2O3, %30minSalinity, %55-70Water Insolubility, %0.1maxPH Value (1% solution)3.5-5.0Sulphate, %0.01maxFe, %0. ...