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Highly selective for divalent cations such as Ca²⁺ and Mg²⁺, enabling superior hardness removal efficiency.
Engineered with uniform spherical beads for consistent hydraulic performance and low pressure drop in service cycles.
Exceptional chemical stability in acidic and alkaline environments, ensuring long operational life under demanding regeneration conditions.
Optimized particle size distribution (0.45–1.25 mm) for enhanced kinetics and reduced channeling in fixed-bed systems.
Low osmotic swelling behavior, maintaining mechanical integrity during repeated ion exchange and regeneration cycles.
Drinking water softening in municipal and decentralized treatment plants.
Pretreatment for reverse osmosis (RO) and nanofiltration (NF) feed water to prevent scaling.
Industrial boiler feedwater conditioning in power generation and process steam systems.
Food and beverage production where strict metal ion control is required for product quality and regulatory compliance.
Pharmaceutical-grade purified water (PW) and water-for-injection (WFI) polishing applications.
| Chemical Type | Strongly acidic cation exchanger (sulfonic acid functionalized polystyrene-divinylbenzene matrix) |
| Product Form | Moist, gel-type spherical beads |
| Appearance | Opaque amber to light brown beads |
| Functional Group | –SO₃H (sulfonic acid) |
| Ion Form | H⁺ form (ready-to-use) |
| Particle Size Range | 0.45–1.25 mm |
| Moisture Content | 47–53% (w/w) |
| Maximum Operating Temperature | 120 °C |
Q1: What is the primary functional group and ionic form of LEWATIT MonoPlus TP 220?
A: LEWATIT MonoPlus TP 220 is a strongly acidic cation exchange resin with sulfonic acid functional groups, supplied in the sodium (Na⁺) ionic form as standard.
Q2: Is this resin suitable for use in pharmaceutical or food-grade water purification applications?
A: Yes — LEWATIT MonoPlus TP 220 is manufactured under strict quality controls and is commonly selected for high-purity water treatment in pharmaceutical, biotech, and food & beverage processes where low extractables and consistent performance are critical.
Q3: How does TP 220 differ from conventional gel-type cation resins in terms of physical structure and performance?
A: TP 220 features a macroporous matrix, offering enhanced mechanical stability, superior resistance to fouling by organic matter, and more consistent kinetics across variable feedwater conditions compared to traditional gel-type resins.
Q4: Can this resin be regenerated, and what regeneration agents are typically used?
A: Yes — LEWATIT MonoPlus TP 220 is fully regenerable using common inorganic acids such as hydrochloric acid (HCl) or sulfuric acid (H₂SO₄), depending on system design and operational requirements.
Q5: What precautions should be taken during storage and handling?
A: Store in original sealed packaging at temperatures between 5 °C and 40 °C, away from direct sunlight and strong oxidizing agents. Avoid freezing, and ensure adequate ventilation when handling dry resin to minimize dust inhalation.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
