English
Español
tiếng việt
русский
Ultra-low extractables profile optimized for ultra-high-purity water production in pharmaceutical and biotech applications.
Highly uniform spherical bead structure ensuring consistent hydraulic performance and minimal pressure drop.
Enhanced chemical stability in aggressive regeneration environments, including high-concentration NaOH and HCl.
Low total organic carbon (TOC) leaching—validated per USP <843> and EP 2.2.42 for critical process water systems.
Pre-packed, pre-conditioned format with traceable lot documentation and full compliance with ISO 9001 and ISO 14001 manufacturing standards.
Final polishing stage in WFI (Water for Injection) generation systems.
Purification of ultrapure water for semiconductor rinse processes (UPW Class A).
Polishing loop in biopharmaceutical buffer preparation and media formulation systems.
Critical deionization in laboratory-grade pure water systems requiring TOC < 1 ppb.
End-stage ion removal in centralized pharmaceutical water distribution networks.
| Chemical Type | Strong base anion exchange resin (Type I, quaternary ammonium) |
| Product Form | Ready-to-use, pre-swollen, pre-conditioned gel-type beads |
| Appearance | Uniform ivory-colored spherical beads |
| Functional Group | Triethylbenzylammonium |
| Moisture Content | 47–53% (as received) |
| Particle Size Range | 300–1200 µm (≥95% retained on 16 mesh, passes 50 mesh) |
| Uniformity Coefficient | ≤1.6 |
| Maximum Operating Temperature | 50 °C |
Q1: What is the primary application of LEWATIT UltraPure 1296 MD Plus in pharmaceutical water systems?
A: This resin is specifically engineered for final polishing in high-purity water generation, including purified water (PW) and water for injection (WFI) systems, where it removes trace ionic contaminants and ensures consistent conductivity and TOC performance under low-flow, high-resistance conditions.
Q2: How does the "MD Plus" designation differ from standard LEWATIT 1296 MD resins?
A: The "MD Plus" variant features enhanced physical stability, lower extractables, and optimized particle size distribution for improved hydraulic performance and reduced pressure drop—particularly beneficial in compact, high-efficiency mixed-bed configurations used in critical pharmaceutical applications.
Q3: Is this resin suitable for use in steam sanitization cycles?
A: Yes, LEWATIT UltraPure 1296 MD Plus is designed to withstand repeated exposure to saturated steam up to 121 °C, maintaining structural integrity and ion exchange capacity without significant degradation or leaching—making it appropriate for thermally validated pharmaceutical water systems.
Q4: What regeneration protocol is recommended for optimal long-term performance?
A: Regeneration should follow a strict two-step chemical protocol using high-purity sodium hydroxide and hydrochloric acid, with thorough rinsing to residual conductivity levels below 0.1 µS/cm. Optimized flow rates and contact times are essential to preserve selectivity and minimize osmotic shock during cycling.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
