FS400 Chelation Resin


FS400 is a high purity, premium grade, weak acid macroporous type chelating resin, with iminodiacetic groups designed for the removal of cations of heavy metals from industrial effluents. This product is designed to be used in industrial applications for the selective extraction of heavy metal cations in the following order:
Cu – Va – U – Pb – Ni -Zn -Cd – Fe – Be -Mn – Ca – Mg – Sr -Ba -Na



  • Selective removal of heavy metals in the metal surface finishing industry
  • Recovery of metals in the electroplating industry
  • Removal of heavy metals from ground water


FS400 Chelation Resin
Polymer StructureMacroporous polystyrene crosslinked with DVB
Functional GroupIminodiacetic Acid
Ionic FormNa+
AppearanceSpherical Beads
Particle Size (mm)0.425-1.25 ≥95%
Note: Other particle size ranges are also available.
Uniformity Coefficient1.6 max.
Moisture Content50-60%
Total Capacity (eq/l)Chelated Cu - 0.60 min.
Shipping Weight (g/l)740
Specific Density (g/ml)1.20
Reversible Swelling, H+→Na+35% max.
pH Range0-14
Temperature Limit80℃ max.

If you are interested in our FS400 resin.