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

Lanxes-s LEWATIT S 4268 Ion Exchange Resin

Lanxes-s LEWATIT S 4268 is a high-capacity, strongly acidic cation exchange resin from Lanxes-s’s LEWATIT series, featuring uniform spherical beads and exceptional chemical stability. Ideal for industrial water softening, demineralization, and metal recovery, it offers rapid kinetics, low pressure drop, and superior regeneration efficiency in demanding process environments.
  • lanxes s lewatit s 4268 ion exchange resin_d005c50a
  • lanxes s lewatit s 4268 ion exchange resin_d005c50a

Features Of Lanxes-s LEWATIT S 4268 Ion Exchange Resin

  1. Highly selective for divalent cations such as Ca²⁺ and Mg²⁺ in softening applications.

  2. Optimized spherical bead morphology ensures low pressure drop and uniform flow distribution in fixed-bed systems.

  3. Excellent chemical and osmotic stability, enabling reliable performance across repeated regeneration cycles.

  4. Low fines generation and high mechanical strength reduce resin attrition during hydraulic backwashing and service operation.

  5. Sulfonic acid functional group provides strong-acid cation exchange capacity with rapid kinetics and full regeneration capability.

Typical Applications Of Lanxes-s LEWATIT S 4268 Ion Exchange Resin

  1. Drinking water softening in municipal and point-of-use treatment systems.

  2. Pretreatment for reverse osmosis (RO) and nanofiltration (NF) feed water in industrial water purification.

  3. Boiler feedwater conditioning to prevent scale formation in low-to-medium pressure steam generators.

  4. Food & beverage process water polishing where consistent low-hardness output is critical.

  5. Pharmaceutical-grade purified water (PW) production compliant with USP/EP requirements.

Specifications Of Lanxes-s LEWATIT S 4268 Ion Exchange Resin

Chemical TypeStrong Acid Cation (SAC), sulfonated polystyrene-divinylbenzene copolymer
Product FormMoist, spherical beads
AppearanceAmber, translucent, uniform spherical particles
Primary ApplicationsWater softening, demineralization pretreatment, boiler feedwater conditioning
Functional GroupSulfonic acid (–SO₃H)
Ionic FormNa⁺ form (standard shipping condition)
Moisture ContentApprox. 45–50 % (w/w)
Particle Size Range0.3–1.2 mm (≥95 % retained on 0.3 mm sieve, ≤5 % on 1.2 mm sieve)


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