AMBERLITE™ IRN317 resin is a stoichiometric equivalent mixed bed of gel strong acid cation resin in the Li7 form and gel strong base anion resin in the OH form. This resin is for enhanced performance and long resin life in the Chemical and Volume Control System (CVCS) of Pressurized Water Reactors (PWR).
 

Type Matrix Functional Group
Cation/Anion, 1 to 1 equivalent Polystyrene divinylbenzene copolymer Sulfonic Acid/Quaternary Ammonium


 

Typical Properties* Units Li7+ Form OH- Form
Total Exchange Capacity meq/L ≥ 2.40 ≥ 1.20
Moisture Holding Capacity % 33 - 40 54 - 60
Particle Size
   Retained on 20 mesh (0.850 mm)
   Through 40 mesh (0.425 mm)
   Through 50 mesh (0.300 mm)
 
% max. 
% max.
% max.
 
5
5
0.1
 
5
5
0.1
% Regenerated Sites % min 99 95
% Cl Form Sites % max 0.1
Trace Metals (mg/kg dry maximum)
Na
50
Al
50
Fe
100
Cu
50
Pb
50

  

* These properties are typical but do not constitute specifications.