Activated Alumina basically made up of Aluminium Oxide which is highly porous and exhibits tremendous surface area. Being supplier of Activated Alumina Balls we provide material which is resistant to thermal shock and abrasion. Moreover it will not shrink, swell, soften nor will disintegrate when immersed in water. The main advantage using Activated Alumina Balls is its high surface area about 345-415 m²/gm and attrition loss is very less about 0.2 % having crushing strength of 8-12 kgf/cm². Activated Alumina is being very effective when used as the water filter. Water having various impurities and contents should be filtered in order to prevent any harmful disease in human beings. The main concern is to control access amount of Fluoride contents in water. Fluoride compounds are basically salts that form when the element fluorine combines with minerals in soil and rocks. An excessive amount of fluoride in drinking water would result in several diseases leading to the bone fracture in adults, tooth-decaying etc. also, check our Latest articles here: http://www.activatedaluminaballs.com/activated-alumina-balls-a-best-water-treatment-material/