AMBERLITE™ IRA402 Cl resin is a type 1 strongly basic, clear gel, anion exchange resin. In demineralization applications, this resin can remove both strong and weak acids including silica, making it an excellent general purpose anion exchange resin for a wide variety of water treatment applications.

Used in:

  • Industrial water demineralization
  • Removal of Fe3+ and Zn2+ from HCl


  • Robust demineralization product
  • Offers optimum balance of capacity and regeneration efficiency
  • Excellent general purpose anion exchange resin
  • Works across a wide variety of water treatment applications
Typical Properties
These properties are typical but do not constitute specifications.

Physical form

Pale yellow translucent spherical beads


Styrene divinylbenzene copolymer

Functional group

Trimethyl ammonium

Ionic form as shipped


Total exchange capacity [1]

³ 1.20 eq/L (Cl- form)

Moisture holding capacity [1]

49 to 60% (Cl- form)

Shipping weight

670 g/L

Particle size
Uniformity coefficient [1]
Harmonic mean size [1]
< 0.300 mm [1]

£ 1.6
0.600 to 0.750 mm
1.0% max

Reversible swelling

Cl- ? OH-£ 30%

[1]Contractual value