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

DOW MARATHON C Strong Acid Cation Exchange Resin

DOWMARATHONCStrongAcidCationExchangeResinbyDowChemicalisahigh-capacitygel-typepolystyrenesulfonicacidresinwithexcellentswellingstability,chemicalresistance,andfastkineticsforwatersoftening,deminer-alization,andindustrialprocessapplications.
  • dow marathon c strong acid cation exchange resin_66a785e4
  • dow marathon c strong acid cation exchange resin_66a785e4

Features Of DOW MARATHON C Strong Acid Cation Exchange Resin

  1. Highly crosslinked polystyrene-divinylbenzene matrix for exceptional physical and chemical stability.

  2. Sulfonic acid functional groups providing strong acidity and complete ionization across the full pH range.

  3. Optimized bead uniformity and mechanical strength to minimize pressure drop and resist attrition in high-flow service.

  4. Consistent regeneration efficiency with standard regenerants (e.g., NaCl, HCl), enabling reliable long-term performance.

  5. Low soluble organics release (SOR) meeting stringent requirements for ultrapure water and pharmaceutical applications.

Typical Applications Of DOW MARATHON C Strong Acid Cation Exchange Resin

  1. Primary cation removal in industrial demineralization systems for boiler feedwater pretreatment.

  2. Softening of municipal and process water in food & beverage, dairy, and textile industries.

  3. Condensate polishing in power generation plants requiring high-purity steam cycles.

  4. Pre-treatment for reverse osmosis (RO) and electrodeionization (EDI) systems to protect downstream membranes.

  5. Catalytic support and metal recovery applications where robust acid functionality is required.

Specifications Of DOW MARATHON C Strong Acid Cation Exchange Resin

Chemical TypeStrong acid cation (sulfonic acid)
Product FormMoist, spherical beads
AppearanceAmber, translucent beads
Functional Group–SO₃H
Matrix StructureCrosslinked polystyrene-divinylbenzene
Ion FormNa⁺ (standard shipping form)
Moisture Content45–50% (as shipped)
Uniformity Coefficient≤1.4


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