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

Lanxes-s LEWATIT UltraPure 1294 MD Ion Exchange Resin

Lanxes-s LEWATIT UltraPure 1294 MD is a high-purity, macroporous strong-acid cation exchange resin designed for ultrapure water production in pharmaceutical and semiconductor industries. Featuring exceptional chemical stability, low extractables, and optimized kinetics, it ensures consistent removal of metal ions and alkalinity with minimal TOC leaching.
  • lanxes s lewatit ultrapure 1294 md ion exchange resin_013a59d1
  • lanxes s lewatit ultrapure 1294 md ion exchange resin_013a59d1

Features Of Lanxes-s LEWATIT UltraPure 1294 MD Ion Exchange Resin

  1. Ultra-low extractables profile specifically engineered for ultra-high-purity water production in pharmaceutical and biotech manufacturing.

  2. Highly uniform spherical beads with narrow particle size distribution (0.45–1.25 mm) ensuring consistent hydraulic performance and minimal pressure drop.

  3. Exceptional chemical stability in strong acid and alkali environments, enabling robust regeneration cycles and extended service life.

  4. Low total organic carbon (TOC) release and certified compliant with USP <841>, EP 2.2.43, and JP XVII standards for purified water systems.

  5. Optimized for mixed-bed configurations with LEWATIT® UltraPure 1295 MD to achieve resistivity >18.2 MΩ·cm at 25°C.

Typical Applications Of Lanxes-s LEWATIT UltraPure 1294 MD Ion Exchange Resin

  1. Final polishing step in pharmaceutical-grade purified water (PW) and water for injection (WFI) generation systems.

  2. Ultrapure water production for semiconductor wafer cleaning and photolithography processes.

  3. Critical pretreatment and polishing in biopharmaceutical process water loops requiring endotoxin-free output.

  4. High-reliability demineralization in clinical laboratory analyzers and diagnostic instrument feed water systems.

  5. Regulatory-compliant water purification for cell therapy and mRNA vaccine manufacturing facilities.

Specifications Of Lanxes-s LEWATIT UltraPure 1294 MD Ion Exchange Resin

Chemical TypeStrong Acid Cation (SAC), sulfonated polystyrene-divinylbenzene gel matrix
Product FormMoist, sodium-form spherical beads
AppearanceAmber, transparent, uniform spherical particles
Primary ApplicationsPolishing resin in mixed-bed deionization for ultrapure water
Key FeaturesLow TOC leachables, high regenerability, USP/EP/JP compliant
Functional Capacity (H⁺ form)≥ 1.8 eq/L (dry weight basis)
Moisture Content47–53% (as shipped)
Particle Size Range0.45 – 1.25 mm (95% retained on 0.45 mm sieve)


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