... grade ,high capacity, gelular, sulfonated, polystyrene cation resin Polymer Matrix Structure______________Styrene Crosslinked with DVBPhysical Form ... .Functional Groups____________________R-SO3¯ Ionic Form ,as shipped________________NaTotal Exchange Capacity, Na+ form, wet, volumetric__________________________1.9 ... 29PH Range, Stability___________________0 - 14 Gel Strong Acid Cation Exchange Resin