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

Lanxes-s LEWATIT MDS 1369 Na 320 Ion Exchange Resin

Lanxes-s LEWATIT MDS 1369 Na 320 is a high-capacity sodium-form strong-acid cation exchange resin from Lanxes-s’s LEWATIT series, featuring uniform spherical beads, excellent chemical stability, and optimized kinetics for softening and demineralization in industrial water treatment systems.
  • lanxes s lewatit mds 1369 na 320 ion exchange resin_ed870072
  • lanxes s lewatit mds 1369 na 320 ion exchange resin_ed870072

Features Of Lanxes-s LEWATIT MDS 1369 Na 320 Ion Exchange Resin

  1. Highly uniform spherical bead structure ensuring consistent hydraulic performance and low pressure drop.

  2. Optimized for high selectivity and capacity in sodium-form cation exchange applications.

  3. Excellent physical and chemical stability across a wide pH range (0–14) and operating temperatures up to 120 °C.

  4. Low fines generation and superior abrasion resistance, supporting long service life and reduced bed compaction.

  5. Regenerable with standard sodium chloride solutions, enabling efficient and cost-effective cycle operation.

Typical Applications Of Lanxes-s LEWATIT MDS 1369 Na 320 Ion Exchange Resin

  1. Softening of industrial process water and boiler feedwater in power generation plants.

  2. Pretreatment for reverse osmosis (RO) systems in pharmaceutical and electronics-grade water production.

  3. Metal finishing rinse water treatment for sodium ion recovery and hardness control.

  4. Food & beverage processing water conditioning to meet strict regulatory purity requirements.

  5. Chemical manufacturing process streams requiring precise cation removal and pH stabilization.

Specifications Of Lanxes-s LEWATIT MDS 1369 Na 320 Ion Exchange Resin

Chemical TypeSulfonated polystyrene-divinylbenzene copolymer (strong acid cation)
Product FormSodium form (Na⁺)
AppearanceUniform amber spherical beads
Moisture Content48–52% (as shipped)
Particle Size Range0.4–1.2 mm
Uniformity Coefficient≤1.6
Exchange Capacity (min.)1.8 mmol/mL (wet volume)
Maximum Operating Temperature120 °C


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