Macroreticular Weak Basic Acrylic Anion Exchange Resin
Model: WDA918 | Category: Ion Exchange Resin
Weak base anion exchange resin with polyamine groups obtained by amination of a macroporous acrylic system copolymer.
Product Specifications
| Moisture Content (%) | 52 - 61 |
|---|---|
| Mass Total Exchange Capacity (mmol/g, dry) | ≥ 8.5 |
| Volume Exchange Capacity (mmol/ml) | ≥ 2.75 |
| Apparent Density (Wet, g/ml) | 0.68 - 0.76 |
| True Density (Wet, g/ml) | 1.05 - 1.14 |
| Particle Size (0.315-1.25 mm) | ≥ 95 % |
| Sphericity after Grinding (%) | ≥ 90 |
| pH Range | 1 - 10 |
| Max. Use Temp. | OH⁻ form ≤ 130°C, Cl⁻ form ≤ 80°C |
| Transformation Inflation Rate | (OH⁻ → Cl⁻) ≤ 12 |
Application Fields
Refining of organic acids such as citric acid and lactic acid; separation and purification of rare metals such as tungsten and molybdenum; water treatment and removal of sulfate and nitrate from seawater.
Key Benefits
- Exchange and adsorption characteristics with fast exchange speed
- Good separation effect, easy elution, low regeneration water consumption
- Small volume change, strong pollution resistance; equivalent to Purolite A830, A-561, XA-3414