DuPont Dow Resin – AmberLite FPA54 Ion Exchange Resin

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Food-grade, Highly Porous, Weak Base Anion Exchange Resin

AmberLite FPA54 Ion Exchange Resin is a unique, highly porous, weak base, anion exchange resin, based on a crosslinked phenol-formaldehyde matrix. The low-swelling characteristics of AmberLite FPA54 give it excellent osmotic and physical stability resulting in less product loss and longer product life than conventional styrenic resins in food processing and bioprocessing applications.
The hydrophilic phenolic, porous matrix of AmberLite FPA54 permits the reversible adsorption of high molecular weight, organic, color bodies frequently found in solutions of natural product and fermentation products.
AmberLite FPA54 exhibits a high selectivity for sulfates and phosphates and, therefore, makes it ideal for the treatment of both citric and lactic acids derived from fermentation where it has a long history of use, particularly due to its excellent osmotic stability.


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Manufacturer DuPont - Dow
Series AmberLite Ion Exchange Resin
Model Number FPA54
Part Number FPA54
Description Physical Properties:
Copolymer - Crosslinked phenol-formaldehyde polycondensate
Matrix - Highly porous
Type - Weak Base Anion
Functional Group - Tertiary amine
Physical Form - Gray, opaque, granules
Chemical Properties:
Ionic Form as Shipped - Free base (FB)
Total Exchange Capacity - ≥ 1.8 eq/L
Water Retention Capacity - 60 – 65%
Particle Size:
Particle Diameter - 470 – 740 μm
< 300 μm - ≤ 2.0%
>1180 μm - ≤ 1.0%
Shipping Weight - 650 g/L

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