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

Lanxes-s LEWATIT S 8528 Ion Exchange Resin

Lanxes-s LEWATIT S 8528 is a high-capacity, gel-type strong acid cation exchange resin featuring sulfonic acid functional groups. Designed for softening and demineralization in industrial water treatment, it offers excellent kinetic performance, high chemical stability, and superior resistance to osmotic shock. Its uniform spherical beads ensure low pressure drop and efficient regeneration with NaCl or HCl. Widely used in boiler feedwater, food & beverage, and pharmaceutical applications.
  • lanxes s lewatit s 8528 ion exchange resin_9b635f5f
  • lanxes s lewatit s 8528 ion exchange resin_9b635f5f

Features Of Lanxes-s LEWATIT S 8528 Ion Exchange Resin

  1. Highly selective for divalent cations such as Ca²⁺ and Mg²⁺, enabling superior hardness removal efficiency.

  2. Optimized macroporous polystyrene matrix ensures excellent physical stability and resistance to osmotic shock during regeneration cycles.

  3. Low operating pressure drop and high flow capacity support efficient large-scale water softening and demineralization systems.

  4. Consistent bead uniformity and narrow particle size distribution enhance hydraulic performance and bed homogeneity.

  5. Compatible with standard sodium chloride regeneration protocols, minimizing operational complexity and chemical consumption.

Typical Applications Of Lanxes-s LEWATIT S 8528 Ion Exchange Resin

  1. Industrial boiler feedwater pretreatment for high-pressure steam generation.

  2. Precise hardness control in pharmaceutical-grade purified water (PW) and water-for-injection (WFI) production systems.

  3. Removal of heavy metal cations (e.g., Cu²⁺, Ni²⁺, Zn²⁺) from process effluents in electroplating and metal finishing plants.

  4. Softening of municipal and industrial raw water prior to reverse osmosis (RO) membrane systems.

  5. Cation exchange polishing step in ultrapure water (UPW) facilities for semiconductor manufacturing.

Specifications Of Lanxes-s LEWATIT S 8528 Ion Exchange Resin

Chemical TypeStrong acid cation exchanger, sulfonated polystyrene-divinylbenzene copolymer
Product FormNa⁺ form (ready-to-use)
AppearanceSpherical, amber-colored beads
Primary ApplicationsHardness removal, demineralization, heavy metal recovery, UPW polishing
Functional GroupSulfonic acid (–SO₃H)
Ion Exchange Capacity (min.)1.9 eq/L (Na⁺ form)
Moisture Content47–53 % (w/w)
Particle Size Range0.4–1.2 mm (≥95% retained on 0.315 mm sieve)


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