Ion Exchange Resin
High-performance cation and anion exchange resins for softening, demineralization, and pure water production.
Ion Exchange Resins
- CAS Number: 104219-63-8;11128-96-4; 69011-22-9
- Molecular Formula: C22H28CLN; R-SO3NA
- Molecular Weight: 341.91742
- Appearance: Golden to brownish or white spherical beads
- Type: Exchange Resin Cation or Exchange Resin Anion
- Packing: 25L/BAG
- Other Names: Ion-exchange Polymer, Cation Resin, Anion Resin, Chelating Resin, Mixed Bed Resin, MB Resin
Ion Exchange Resins Specification
| ITEMS | SPECIFICATIONS |
| Mass capacity mmol/g | ≥4.5 |
| Volume capacity mmol/ml | ≥1.9 |
| Moisture % | 45-50 |
| Bulk density g/ml | 0.78-0.88 |
| Specific density g/ml | 1.25-1.29 |
| Effective diameter mm | 0.40-0.70 |
| Uniformity coefficient | ≤1.6 |
| Particle size (0.315~1.25mm)% | ≥95 |
| Whole beads after (attrition) osmotic attrition% | ≥90 |
| ITEMS | SPECIFICATIONS |
| Salt split (Max regenerable)capacity mmol/g | ≥3.5 |
| Volume capacity mmol/ml | ≥1.3 |
| Moisture % | 42-48 |
| Bulk density g/ml | 0.67-0.75 |
| Specific density g/ml | 1.07-1.15 |
| Effective diameter mm | 0.40-0.70 |
| Uniformity coefficient | ≤1.6 |
| Particle size (0.315~1.25mm)% | ≥95 |
| Whole beads after (attrition) osmotic attrition% | ≥90 |
How to Choose the Right Resin
For water softening → choose Strong Acid Cation Resin (001×7, Na form) . Removes calcium (Ca²⁺) and magnesium (Mg²⁺) hardness.
For demineralization (two‑bed system) → use Cation resin (H⁺ form) followed by Anion resin (OH⁻ form) .
For high‑purity water (mixed bed) → use Mixed Bed Resin for polishing after RO or EDI.
For wastewater / heavy metal removal → choose Macroporous resins (D001, D201, D301) for better fouling resistance.
For food / sugar / pharmaceutical applications → choose gel‑type resins with high exchange capacity and low extractables.
Ion Exchange Resins Types
| Feature | Cation Exchange Resin | Anion Exchange Resin |
|---|---|---|
| What it removes | Positive ions (calcium, magnesium, sodium, heavy metals) | Negative ions (chloride, sulfate, nitrate, phosphate, silica) |
| Functional group | Sulfonic acid (strong acid) or Carboxylic acid (weak acid) | Quaternary ammonium (strong base) or Tertiary amine (weak base) |
| Typical ionic form | Sodium (Na⁺) for softening; Hydrogen (H⁺) for demineralization | Chloride (Cl⁻) or Hydroxide (OH⁻) for demineralization |
| Common structure types | Gel type (001×7, 001×8) and Macroporous (D001) | Gel type (201×7) and Macroporous (D201, D301) |
| Typical applications | Water softening, dealkalization, heavy metal removal, demineralization (first stage) | Demineralization (second stage), nitrate/arsenic removal, wastewater polishing, sugar decolorization |
| pH range | Works across wide pH (0–14 for strong acid; 5–14 for weak acid) | Strong base: 0–12; Weak base: 0–9 (no silica removal) |
| Regenerant chemical | Sodium chloride (NaCl) for softening; hydrochloric acid (HCl) or sulfuric acid for demineralization | Sodium chloride (NaCl) for Cl⁻ form; sodium hydroxide (NaOH) for OH⁻ form |
| Choose this type if you need… | Hardness removal, softening, dealkalization, or pre‑treatment before anion resin | Removal of anions (chloride, sulfate, nitrate, silica) or complete demineralization |
| Combined use | In demineralization systems, always use cation first (H⁺ form) followed by anion (OH⁻ form) for complete salt removal. Mixed bed resin combines both. | |
What are Ion Exchange Resins Used for
Water Softening (Most Common): Used in residential, commercial, and industrial softeners. Cation resin (Na⁺ form) removes hardness ions (calcium and magnesium) and replaces them with sodium, preventing scale buildup in pipes and equipment.
Demineralization / Deionization (Water Purification): Used to produce high‑purity water for power plants, electronics manufacturing, and pharmaceutical production. Cation resin (H⁺ form) removes positive ions, then anion resin (OH⁻ form) removes negative ions, producing pure water.
Wastewater Treatment: Removes heavy metals (lead, copper, zinc, nickel) and other pollutants from industrial wastewater before discharge. Also used to remove nitrate, arsenic, and phosphate from drinking water and municipal wastewater.
Sugar & Food Processing: Used in sugar refineries to decolorize sugar syrups and remove impurities. Also applied in juice purification, gelatin refining, and wine stabilization to improve product quality.
High‑Purity & Ultra‑Pure Water Production: Used as a polishing step after RO (reverse osmosis) for semiconductor, laboratory, and pharmaceutical applications where extremely low conductivity is required.
FAQ of Ion Exchange Resins
Yes. Gel‑type cation resins can operate up to 120°C; macroporous cation resins up to 150°C. Anion resins are recommended for temperatures below 60°C (gel) and 80°C (macroporous). Higher temperatures may cause irreversible damage.
Yes, we can arrange third‑party inspection (e.g., SGS, BV) upon request. Our standard shipment includes our internal Certificate of Analysis (CoA), and we are happy to support external testing as part of your quality assurance process.
Only in a mixed‑bed system. For normal softening or demineralization, cation and anion resins must be in separate vessels. Mixed‑bed resins are specially pre‑mixed and designed for final polishing to achieve ultra‑high purity water.
25L/BAG
Keep resin bags sealed and store in a cool, dry place (5–30°C). Avoid direct sunlight, freezing, and strong odors. Do not store near oxidizers or volatile chemicals. If stored in wet form, maintain moisture to prevent drying and cracking.
Ion Exchange Resins Supplier - HOO CHEMTEC
HOO CHEMTEC: Your Reliable Partner for Ion Exchange Resins
We are a direct supplier of high‑quality cation and anion exchange resins, offering a complete range covering gel type, macroporous type, and mixed bed – from softening to ultra‑pure water production.
Why choose us?
Stable quality – every batch tested in our ISO‑certified lab; Certificate of Analysis (CoA) provided.
Complete product range – 001×7, 001×8, D001 (cation); 201×7, D201, D301 (anion); and mixed bed resins.
Technical expertise – we help you select the right resin type, ionic form, and particle size (SC / FC / MB) for your specific water chemistry.
Flexible packaging – 25L bags, 1ft³ bags, or 25kg drums. Free samples available for pre‑order testing.
Reliable logistics – professional export packaging, on‑time delivery, and full documentation.
Partner with HOO CHEMTEC for dependable ion exchange resin supply and responsive technical support. Contact us today.
