DuPont Dow Resin – AmberLite FPA90 Cl Ion Exchange Resin

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Food- and Biopharmaceutical-grade, Styrenic, Macroporous, Strong Base Anion Exchange Resin for Cane Sugar Decolorization and Biopharmaceutical Processing

AmberLite FPA90 Cl Ion Exchange Resin has been specially designed for the decolorization of liquid sugar syrups. Ion exchange based decolorization technology has been used more effectively and economically than carbon or bone char based technologies. Sugar refiners and soft drink bottlers around the world have installed AmberLite FPA90 Cl to successfully decolorize sucrose solutions.

AmberLite FPA90 Cl is a styrenic, macroporous, Type I strong base anion resin.

Cane Sugar Decolorization
AmberLite FPA90 Cl Resin is an excellent choice for cane sugar decolorization, offering advantages such as:
– A leading resin used in cane decolorization, with many years of successful service
– Exceptional physical stability, excellent resistance to osmotic shock, and very good organic fouling resistance

Styrenic AmberLite FPA90 Cl can be used as a single component or following acrylic AmberLite FPA98 Cl Ion Exchange Resin for highly-colored feed solutions.

Biopharmaceutical Processing
AmberLite FPA90 Cl Resin is an excellent resin of choice for decolorization of high molecular weight organic color bodies in many bioprocessing applications such as natural product extraction and recovery of antibiotics from fermentation broth. It is commonly used in aminoglycoside purification bioprocess as well as in macrolide antibiotics processes like erythromycin, and tylosin, the latter being primarily used in
animal health. Derivatives of erythromycin, including clarithromycin and azithromycin,
are particularly useful in treating respiratory infections.

A combination of AmberChrom CG Chromatography Resins and/or AmberLite FPC3500 Ion Exchange Resin with AmberLite FPA90 Cl allows a higher antibiotic purity level due to the decolorization capabilities of the latter either in the pre- or post-purification step (vancomycin broth decolorization).


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Manufacturer DuPont - Dow
Series AmberLite Ion Exchange Resin
Model Number FPA90 Cl
Part Number FPA90 Cl
Description Physical Properties:
Copolymer - Styrene-divinylbenzene
Matrix - Macroporous
Type - Strong base anion, Type I
Functional Group - Quaternary ammonium
Physical Form - Off-White, opaque, spherical beads
Chemical Properties:
Ionic Form as Shipped - Cl-
Total Exchange Capacity - ≥ 1.0 eq/L
Water Retention Capacity - 58 – 64%
Particle Size:
Particle Diameter - 650 – 820 μm
< 300 μm - ≤ 0.5%
Swelling - Cl− → OH− : ~25%
Particle Density - 1.05 – 1.08 g/mL
Shipping Weight - 700 g/L

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