Canftech TA467D Is a premium grade macroporous type I strong base anion exchange resin with polystyrene matrix and quaternary amine (Tributylamine) function group in standard Gaussian size distribution. TA467D has strong selectivity to capture perchlorate and decreased selectivity for other anions such as sulfate, chloride and bicarbonate. TA467D is designed to be used to remove perchlorate for potable water.