Product Name: Purolite A400 Ion Exchange Resin Model NO.: A400 Color: Yellow Molecular Principal Chain: Element Organic Polymer CAS No.: 69011-19-4 Trademark: Purolite Transport Package: 25liter/Bag Specification: 25Liter/Bag HS Code: 3907209000 Product Description It is a high purity premium grade bead form conventionalgel polystyrene sulphonate cation exchange resin designed expressly for the treatment of foodstuffs, beverages, potable waters, and water used in the processing of food. For use in the treatment of foods for human consumption. Its high bead integrity, excellent chemical and physical stability, and very low extractible content play a large part in its successful employment in these areas.