Black colored high capacity highly regenerated, low sodium hydrogenform cation resin.Suzhou X Chemical provides a wide variety of resins and adsorbents suitable for radioactive waste treatment including cation and anion exchange resins, chelating resins and various selective adsorbents for contaminants such as cesium, cobalt, antimony, and various colloids. Nuclear Grade ion exchange resins must also have low levels of both organic and ionic impurities such that they do not leach any objectionable contaminants into the treated water.