Resin filter cartridge uses food-grade cation exchange resin material, specifically designed for water softening. It can effectively remove calcium and magnesium ions from water, reduce water hardness, prevent scale formation, protect household appliances and plumbing systems, and provide comfortable and soft domestic water. Resin filter cartridges are generally used in the second or third stage of filtration in water purification systems, combined with other filter cartridges (such as PP cotton filter cartridge, activated carbon filter cartridge). It is suitable for various water purification devices, meeting the needs of both household and commercial water use, making it an ideal choice for improving water quality.
The resin filter cartridge is filled with ion exchange resin internally. This resin is basically an insoluble matrix typically in the shape of small (1–2 mm diameter) beads. The material has highly developed structure of pores on the surface of which are sites with easily trapped and released ions. This process of rapping of ions happens with a simultaneous releasing of other ions resulting in the term ion-exchange.
Water passes through the ion exchange resin charged with sodium (Na+) ions. As hard water passes through the resin hardness ions (Ca2+ & Mg2+) are physically exchanged with the sodium ions on the ion exchange resin.
When water flows through the resin filter cartridge, it passes through the ion exchange resin inside the cartridge. These resin beads can exchange calcium and magnesium ions in the water for sodium ions, thereby effectively softening the water.
| Material | Ion Exchange Resin |
| Shell Material | PP |
| Shell Color | Transparent / White |
| Height | 5" / 10" |
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