I-absorbents yeekhemikhali inokufunxa ulwelo olwahlukeneyo lweekhemikhali kunye nolwelo oludlekayo, ngokufanelekileyo nangokukhawuleza ukulawula kunye nokucoca ukuchitheka kweekhemikhali, ukunciphisa umonakalo obangelwa kukuchitheka kweekhemikhali, ukunciphisa ixesha lokuvezwa kwabasebenzi kwizinto ezinobungozi, kunye nokubonelela ngesiqinisekiso sokhuseleko lomntu.