Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DuPont AMBERLITE IRA 402 CL Ion Exchange Resin

DuPont AMBERLITE IRA 402 CL is a strong-base anion exchange resin featuring Type I quaternary ammonium functional groups on a styrene-divinylbenzene matrix. Designed for high chloride selectivity and efficient nitrate removal, it offers excellent chemical stability, fast kinetics, and robust physical integrity in demanding water treatment applications.
  • dupont amberlite ira 402 cl ion exchange resin_cdbe7d2f
  • dupont amberlite ira 402 cl ion exchange resin_cdbe7d2f

Features Of DuPont AMBERLITE IRA 402 CL Ion Exchange Resin

  1. Highly selective chloride-form strong base anion exchange resin with Type I functional groups.

  2. Excellent chemical and thermal stability, suitable for continuous operation in demanding industrial environments.

  3. Optimized bead uniformity and high physical strength, minimizing pressure drop and bed compaction during service cycles.

  4. Low operating resistance and fast kinetics for efficient nitrate, sulfate, and chromate removal.

  5. Regenerable with sodium chloride brine, supporting sustainable water reuse and low total cost of ownership.

Typical Applications Of DuPont AMBERLITE IRA 402 CL Ion Exchange Resin

  1. Drinking water treatment for selective nitrate and perchlorate removal.

  2. Industrial process water polishing in pharmaceutical and electronics manufacturing.

  3. Wastewater pretreatment for heavy metal oxyanion (e.g., CrO₄²⁻, AsO₄³⁻) capture prior to discharge.

  4. Food & beverage industry demineralization where chloride form ensures minimal sodium leakage.

  5. Nuclear power plant coolant purification for sulfate and borate control.

Specifications Of DuPont AMBERLITE IRA 402 CL Ion Exchange Resin

Chemical TypeStrong base anion exchange resin, Type I quaternary ammonium
Product FormChloride (Cl⁻) form
AppearanceMoist, spherical beads, off-white to light yellow
Functional Group–N⁺(CH₃)₃
Moisture Content48–55% (as shipped)
Particle Size Range0.3–1.2 mm (95% retained on 16 mesh, passes 50 mesh)
Uniformity Coefficient≤ 1.6
Maximum Operating Temperature60 °C (140 °F)


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