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

Lanxes-s LEWATIT S 4328 Ion Exchange Resin

Lanxes-s LEWATIT S 4328 is a high-capacity, macroporous strong-acid cation exchange resin featuring uniform spherical beads and exceptional chemical/thermal stability. Designed for industrial water softening and demineralization, it offers rapid kinetics, low pressure drop, and superior regeneration efficiency—ideal for high-flow, high-purity applications across power, pharmaceutical, and food industries.
  • lanxes s lewatit s 4328 ion exchange resin_2c52c512
  • lanxes s lewatit s 4328 ion exchange resin_2c52c512

Features Of Lanxes-s LEWATIT S 4328 Ion Exchange Resin

  1. Highly selective for divalent cations such as Ca²⁺ and Mg²⁺, enabling efficient water softening with minimal sodium leakage.

  2. Exceptional physical and chemical stability across a wide pH range (1–14), supporting robust performance in aggressive process environments.

  3. Optimized bead uniformity and high mechanical strength reduce pressure drop and minimize resin fragmentation during hydraulic cycling.

  4. Low total organic carbon (TOC) extractables, meeting stringent requirements for pharmaceutical and ultrapure water applications.

  5. Regenerable with standard NaCl brine solutions, offering cost-effective operation and compatibility with conventional softening systems.

Typical Applications Of Lanxes-s LEWATIT S 4328 Ion Exchange Resin

  1. Industrial boiler feedwater softening to prevent scale formation and extend equipment service life.

  2. Pretreatment for reverse osmosis (RO) and electrodeionization (EDI) systems in power generation and microelectronics facilities.

  3. Pharmaceutical-grade purified water (PW) and water for injection (WFI) polishing in GMP-compliant manufacturing.

  4. Food and beverage processing where consistent low-hardness water is critical for product quality and regulatory compliance.

  5. Municipal and commercial drinking water conditioning to meet aesthetic and health-based hardness standards.

Specifications Of Lanxes-s LEWATIT S 4328 Ion Exchange Resin

Chemical TypeStrong acid cation exchange resin (sulfonated polystyrene-divinylbenzene matrix)
Product FormMoist, spherical beads
AppearanceOpaque amber to light brown beads
Functional GroupSulfonic acid (–SO₃H)
Ion FormNa⁺ form (ready-to-use)
Exchange Capacity (min.)1.8 mmol/mL (wet volume)
Particle Size Range0.3–1.2 mm
Moisture Content45–50 % (w/w)


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