AmberLite HPR1100 Na Ion Exchange Resin is a Uniform Particle Size, Gel, Strong Acid Cation Exchange Resin for Industrial Softening Applications. It is a high-quality resin for use in industrial softening applications when high performance and cost-effective operation is required. The chemical properties and particle size of the resin have been optimized to help yield excellent operating capacity and rinse characteristics, while reducing chemical regenerant and rinse water usage.