AMBERLITE™ Ion Exchange Resins

AMBERLITE™ Ion Exchange Resins are available in a very wide range of chemical compositions and polymer structures and have been used for decades in a high-value applications including water treatment in industrial and power generation plants.


AMBERLITE™ HPR4780 Cl Ion Exchange Resin is a Acrylic, Gel, Strong Base Anion Exchange Resin for Industrial Demineralization Applications. It is a high-quality, bifunctional resin for use in industrial demineralization applications when high performance and cost-effective operation is required. The chemical properties and particle size of the resin have been balanced to combine a high operating capacity with low pressure drop, while reducing chemical regenerant and water usage. A bifunctional anion exchange resin combines weak base functionality with strong base functionality which enables AMBERLITE HPR4780 Cl to achieve removal of free mineral acids and weakly dissociated ions like silica and carbon dioxide. Acrylic anion resins have a hydrophilic structure providing unique chemical and physical properties allowing for easy release of the accumulated natural organic compounds during the regeneration step. The properties of the acrylic structure also enables it to withstand high osmotic or mechanical stress. This resin is ideally suited for treating waters with high organic fouling potential, more than 75% free mineral acidity, up to 10% silica, and temperature up to 35°C (95°F). Under these conditions AMBERLITE HPR4780 Cl will give excellent operating capacity with low caustic regenerant consumption. The particle size distribution of AMBERLITE HPR4780 Cl has been specially selected to give optimum performance in floating and packed bed applications. For systems that require low silica in the effluent or that operate in higher temperatures, a Type I strong base anion resin is recommended, such as: − AMBERLITE™ HPR4200 Cl or OH Ion Exchange Resin − AMBERLITE™ HPR4800 Cl or OH Ion Exchange Resin

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Used In:

  • Demineralization, ideally when treating water with high organic fouling potential and high percentage of mineral acidity (FMA), and when the treatment goal is removal of strong and weak acids
  • Co-current systems
  • Counter current / Hold-down systems


  •  High performance resin with proven track record
  •  Excellent operating capacity and rinse characteristics
  •  Bifunctional resin combining weak base functionality with strong base functionality
  •  removal of free mineral acids and weakly dissociated ions like silica and carbon dioxide
  •  Exceptional physical stability and organic fouling resistance
  •  Greater operating capacity than Type I SBA
  •  Industry stable resin


  • Asia Pacific
  • Europe
  • Latin America
  • North America