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

Lanxes-s LEWATIT UltraPure 1243 MD Ion Exchange Resin

Lanxes-s LEWATIT UltraPure 1243 MD is a high-purity, strongly acidic cation exchange resin featuring uniform spherical beads and exceptional chemical stability. Designed for ultrapure water production in pharmaceuticals and microelectronics, it delivers low extractables, high regeneration efficiency, and superior kinetics. Its optimized matrix ensures minimal leaching and consistent performance under stringent operating conditions.
  • lanxes s lewatit ultrapure 1243 md ion exchange resin_9eb4e36e
  • lanxes s lewatit ultrapure 1243 md ion exchange resin_9eb4e36e

Features Of Lanxes-s LEWATIT UltraPure 1243 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 (0.45–0.63 mm) ensuring consistent hydraulic performance and minimal pressure drop.

  3. Exceptional chemical stability in strong oxidizing environments, compatible with hydrogen peroxide and ozone sanitization protocols.

  4. Low total organic carbon (TOC) leachables—validated to meet USP <843> and EP 2.2.48 requirements for purified water systems.

  5. Regenerable with standard NaOH/NaCl solutions; optimized for long service life and predictable capacity retention over multiple cycles.

Typical Applications Of Lanxes-s LEWATIT UltraPure 1243 MD Ion Exchange Resin

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

  2. Ultrapure water treatment for biopharmaceutical process skids and clean-in-place (CIP) rinse water loops.

  3. Critical deionization in semiconductor fab ultrapure water (UPW) sub-loops requiring low silica and boron breakthrough control.

  4. Polishing resin in laboratory-grade water purification systems compliant with ASTM Type I specifications.

  5. End-stage ion removal in single-use bioprocessing buffer preparation systems.

Specifications Of Lanxes-s LEWATIT UltraPure 1243 MD Ion Exchange Resin

Chemical TypeStrong base anion exchange resin, Type I, gel matrix, quaternary ammonium functional group
Product FormMoist, spherical beads
AppearanceOff-white to light yellow, translucent beads
Particle Size Range0.45–0.63 mm
Uniformity Coefficient≤1.6
Moisture Content47–53% (as shipped)
Functional Capacity (Cl⁻ form)≥1.1 eq/L (minimum, measured at 25°C)
Maximum Operating Temperature60°C


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