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

Lanxes-s LEWATIT UltraPure 1261 MD Ion Exchange Resin

Lanxes-s LEWATIT UltraPure 1261 MD is a high-purity, strongly acidic cation exchange resin featuring uniform spherical macroporous beads. Designed for ultrapure water production in pharmaceutical and microelectronics applications, it offers exceptional chemical stability, low extractables, and superior regeneration efficiency compared to standard gel-type resins.
  • lanxes s lewatit ultrapure 1261 md ion exchange resin_99486659
  • lanxes s lewatit ultrapure 1261 md ion exchange resin_99486659

Features Of Lanxes-s LEWATIT UltraPure 1261 MD Ion Exchange Resin

  1. Highly purified, low-extractables matrix specifically engineered for ultra-high-purity water production in critical pharmaceutical and biotech processes.

  2. Uniform spherical bead morphology ensures consistent hydraulic performance, low pressure drop, and superior regeneration efficiency.

  3. Exceptionally low total organic carbon (TOC) release and minimal metal leaching—validated per USP <841> and EP 2.2.43 requirements.

  4. Optimized for mixed-bed configurations with strict stoichiometric balance between strong acid cation (SAC) and strong base anion (SBA) resins.

  5. Pre-compacted and pre-rinsed to reduce commissioning time and eliminate initial rinse cycles in GMP-compliant facilities.

Typical Applications Of Lanxes-s LEWATIT UltraPure 1261 MD Ion Exchange Resin

  1. Final polishing of Water for Injection (WFI) and Purified Water (PW) systems in pharmaceutical manufacturing.

  2. Ultrapure water generation for biologics purification, cell culture media preparation, and sterile filtration support.

  3. Critical feedwater treatment for steam generators in clean-steam applications compliant with ISO 13485 and FDA 21 CFR Part 211.

  4. High-recovery demineralization in semiconductor-grade ultrapure water (UPW) pretreatment loops requiring sub-ppt ionic contamination control.

  5. Regulatory-compliant polishing in single-use bioprocessing skids and modular water systems.

Specifications Of Lanxes-s LEWATIT UltraPure 1261 MD Ion Exchange Resin

Chemical TypeStrong Acid Cation / Strong Base Anion Mixed Bed (SAC/SBA)
Product FormPre-mixed, pre-compacted, ready-to-use wet resin blend
AppearanceUniform amber (cation) and white (anion) spherical beads in aqueous suspension
Primary ApplicationsPharmaceutical WFI/PW polishing, biotech UPW, clean-steam generation
Key FeaturesLow TOC release, minimal metal leaching, GMP-compatible packaging
Storage Conditions5–35 °C; protect from freezing and direct sunlight
Regeneration RequirementNot regenerable on-site; designed for single-use or limited-cycle validated operation
ComplianceUSP <841>, EP 2.2.43, ISO 13485, FDA 21 CFR Part 211 (supporting documentation available)


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