This product is white particle with high defluorinating capacity,good physical properties,high strength,non-toxic and tasteless.It will not be of softening,expanding and breaking when immersed in water.The product is safe to use,easy to regenerate and has a long period of service life.The quality of the purified water can meet the Natinal Standard for drinking water.In addition to use for defluorination of drinking water,it can also be used for defluorination of other industrial devices.