Description General description Amberlite® FPC23 is proton ion-exchanger resin. Amberlite FPC23 H, macroreticular strongly acidic cation exchange resin for deashing of corn syrups and the softening of beet sugar syrups. Application Amberlite® FPC23 was used to obtain protonated nanostructured aluminosilicate through ion-exchange columns. Legal Information Amberlite is a registered trademark of The Dow Chemical Company or an affiliated company of Dow