DuPont Dow Resin – AmberLite PWA5 Ion Exchange Resin

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Drinking Water-grade Resin for Selective Nitrate Removal

DuPont AmberLite PWA5 Ion Exchange Resin is a strongly basic anion exchange resin developed for selective nitrate removal from drinking water. AmberLite PWA5 removes nitrate preferentially to sulfate and, therefore, can yield operating capacity higher than conventional resins. These characteristics make AmberLite PWA5 the perfect choice for a simple, regenerable, nitrate removal process for municipal water




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Manufacturer DuPont - Dow
Series AmberLite Ion Exchange Resin
Model Number PWA5
Part Number PWA5
Description Typical Properties:
Physical Properties:
Copolymer Styrene-divinylbenzene
Matrix Macroporous
Type Strong Base Anion
Functional Group Triethylamine
Physical Form Cream, opaque, spherical beads
Volume Ratio 38-44%
Chemical Properties
Ionic Form as Shipped Cl-
Total Exchange Capacity ≥ 0.9 eq/L
Water Retention Capacity 52 – 58%
Particle Size
Particle Diameter 650 to 850 μm
Uniformity Coefficient ≤ 1.5
< 300 μm ≤ 0.3%
> 1180 μm ≤ 5.0%
Shipping Weight 690 g/L

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