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

Lanxes-s LEWATIT MDS 1268 K 350 Ion Exchange Resin

Lanxes-s LEWATIT MDS 1268 K 350 is a high-capacity, macroporous strong-base anion exchange resin from Lanxes-s’s LEWATIT series. Designed for nitrate and sulfate removal in drinking water and industrial applications, it features excellent kinetics, chemical stability, and regenerability with NaOH. Its uniform bead structure ensures low pressure drop and long service life.
  • lanxes s lewatit mds 1268 k 350 ion exchange resin_14ed3c53
  • lanxes s lewatit mds 1268 k 350 ion exchange resin_14ed3c53

Features Of Lanxes-s LEWATIT MDS 1268 K 350 Ion Exchange Resin

  1. Highly selective for divalent cations including Ca²⁺, Mg²⁺, and heavy metals in complex aqueous matrices.

  2. Optimized macroporous polystyrene-divinylbenzene matrix ensures excellent kinetic performance and resistance to fouling.

  3. Functionalized with sulfonic acid groups, providing strong-acid cation exchange capacity and stable operation across pH 0–14.

  4. Uniform spherical bead morphology (0.3–1.2 mm) enables low pressure drop and consistent hydraulic performance in packed-bed systems.

  5. Regenerable with standard NaCl or HCl solutions, supporting sustainable cyclic operation in industrial water treatment processes.

Typical Applications Of Lanxes-s LEWATIT MDS 1268 K 350 Ion Exchange Resin

  1. Ultrapure water production for semiconductor manufacturing and pharmaceutical water systems.

  2. Removal of hardness ions and trace heavy metals from industrial process feedwater.

  3. Pre-treatment polishing step in high-pressure boiler feedwater circuits.

  4. Recovery and separation of valuable metal ions (e.g., Ni²⁺, Co²⁺, Cu²⁺) in hydrometallurgical leachate streams.

  5. Decationization in laboratory and pilot-scale deionization units requiring high reliability and reproducibility.

Specifications Of Lanxes-s LEWATIT MDS 1268 K 350 Ion Exchange Resin

Chemical TypeStrong-acid cation exchange resin, sulfonated macroporous polystyrene-divinylbenzene
Product FormMoist, spherical beads
AppearanceOff-white to light amber, free-flowing granular solid
Functional GroupSulfonic acid (–SO₃H)
Particle Size Range0.3 – 1.2 mm
Moisture Content (as shipped)45 – 50 % (w/w)
Total Exchange Capacity (dry basis)≥ 4.8 mmol/g
pH Stability Range0 – 14


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