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Ultra-low extractables profile, specifically engineered for ultrapure water (UPW) production in semiconductor and pharmaceutical manufacturing.
Highly uniform spherical beads with narrow particle size distribution (PSD) ensuring consistent hydraulic performance and minimal pressure drop.
Optimized macroporous matrix providing exceptional kinetic performance and resistance to organic fouling.
Strictly controlled ionic purity—meets ASTM D5127 and SEMI F63 standards for trace metal content (<0.1 ppb Na⁺, K⁺, Ca²⁺, Mg²⁺, Fe³⁺).
Pre-packed and pre-conditioned in Class 10 cleanroom environment, ready for direct installation in critical UPW polishing loops.
Final polishing stage in ultrapure water systems for advanced semiconductor fabrication (300 mm wafer fabs).
Pharmaceutical-grade water purification (WFI and PW) compliant with USP <846>, EP 2.2.48, and JP 17.
Critical rinse water treatment in photolithography and wet etch processes.
Ultrapure coolant make-up water for high-power laser and EUV lithography tools.
| Chemical Type | Macroporous strong acid cation exchange resin (sulfonated polystyrene-divinylbenzene) |
| Product Form | Pre-swollen, pre-conditioned gel-free beads |
| Appearance | Uniform amber spherical beads |
| Particle Size Range | 300–1200 µm (95% retained on 300 µm sieve) |
| Moisture Content | 47–51% (as shipped) |
| Exchange Capacity (Na⁺ form) | ≥1.9 eq/L (dry basis) |
| Maximum Operating Temperature | 105 °C |
| Storage Conditions | 5–35 °C, protected from freezing and direct sunlight |
Q1: What is the primary application of LEWATIT UltraPure 1213 MD in pharmaceutical and biotech manufacturing?
A: LEWATIT UltraPure 1213 MD is specifically designed for polishing and final purification steps in high-purity water systems used for pharmaceutical production, including Water for Injection (WFI) and purified water loops. Its ultra-low extractables profile and stringent quality control support compliance with pharmacopoeial requirements for critical process water.
Q2: How does the “MD” designation differ from standard LEWATIT 1213 resins?
A: The “MD” (Microbe-Degradation resistant) grade features enhanced chemical and biological stability, with optimized crosslinking and surface treatment to minimize microbial adhesion and biofilm formation—critical for maintaining long-term performance in continuously operated ultrapure water systems.
Q3: Is this resin suitable for use in single-use or disposable water purification systems?
A: Yes—LEWATIT UltraPure 1213 MD is validated for compatibility with pre-packed, sterile-filtered cartridges and modular skid-based systems. Its consistent bead integrity and low pressure drop enable reliable integration into both permanent and single-use purification architectures.
Q4: What regeneration protocol is recommended for optimal service life and purity retention?
A: Standard regeneration uses dilute sodium hydroxide (NaOH) followed by thorough rinsing with ultrapure water. Regeneration frequency and concentration should be adjusted based on feedwater quality and system throughput, with periodic conductivity and TOC monitoring to verify rinse completion and resin performance.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
