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Highly selective monodisperse macroporous strong acid cation exchange resin with sulfonic acid functional groups.
Optimized for potassium removal and hardness reduction in high-purity water treatment systems.
Excellent chemical and physical stability across wide pH (1–14) and temperature ranges (up to 120 °C).
Low operating pressure drop and high hydraulic throughput due to uniform spherical bead morphology (0.45–0.55 mm).
KRI (Kation Removal Improved) designation indicates enhanced selectivity for multivalent cations over sodium and potassium ions.
Ultrapure water (UPW) polishing in semiconductor manufacturing facilities.
Potassium ion removal from pharmaceutical process water and WFI (Water for Injection) loops.
Hardness softening and trace cation scavenging in power plant boiler feedwater pretreatment.
Final cation polishing in laboratory-grade pure water systems and analytical instrument feed lines.
Removal of interfering cations (e.g., Ca²⁺, Mg²⁺, Fe³⁺) prior to anion exchange or EDI units.
| Chemical Type | Strong acid cation exchange resin (sulfonated polystyrene-divinylbenzene) |
| Product Form | Moist, spherical beads |
| Appearance | Opaque amber to light brown beads |
| Mean Particle Size | 0.50 mm (range: 0.45–0.55 mm) |
| Uniformity Coefficient | ≤ 1.3 |
| Functional Group | Sulfonic acid (–SO₃H) |
| Ion Form | H⁺ form (ready-to-use) |
| Maximum Operating Temperature | 120 °C |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
