DuPont Dow Resin – AmberLite HPR550 OH Ion Exchange Resin

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Uniform Particle Size, Gel, Strong Base Anion Exchange Resin for Condensate Polishing and Mixed Bed Demineralization Applications for the Power Industry

AmberLite HPR550 OH Ion Exchange Resin is a premium quality, high-capacity resin designed specifically for use in nuclear condensate polishing mixed beds when highest resin purity and water quality are required.
This resin provides exceptional bead integrity and rapid exchange kinetics due to its small average particle size, making it ideally suited to the high flowrate demands commonly encountered in power plant condensate polishing systems. The bead size uniformity and a distinguishable light color is tailored to complement the larger, denser, cationic, gel AmberLite HPR650 H Ion Exchange Resin. The color distinction between this pair of resins allows easy visual confirmation of separation following backwash. Together, these resins offer exceptional separation in mixed beds, which combined with excellent water quality and resin purity, has made them known throughout the industry as a premium mixed bed pairing.

Resin Pairings Recommended pairing:
– AmberLite HPR650 H Ion Exchange Resin (gel)
Additional options:
– AmberLite HPR1600 H Ion Exchange Resin (gel)
– AmberLite HPR2000 H Ion Exchange Resin (macroporous) – in external regeneration systems



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Manufacturer DuPont - Dow
Series AmberLite Ion Exchange Resin
Model Number HPR550 OH
Part Number HPR550 OH
Description Physical Properties:
Copolymer - Styrene-divinylbenzene
Matrix - Gel
Type - Strong base anion
Functional Group - Trimethylammonium
Physical Form - White to yellow, translucent, spherical beads
Chemical Properties:
Ionic Form as Shipped - OH-
Total Exchange Capacity - ≥ 1.1 eq/L (H+ form)
Water Retention Capacity - 55.0 – 65.0% (OH- form)
Particle Size:
Particle Diameter - 590 ± 50 μm
Uniformity Coefficient - ≤ 1.10
< 300 μm ≤ 0.5%
> 850 μm ≤ 1.0%
Metals, dry basis:
Na ≤ 50 mg/kg
K ≤ 50 mg/kg
Fe ≤ 50 mg/kg
Cu ≤ 10 mg/kg
Ca ≤ 50 mg/kg
Mg ≤ 50 mg/kg
Al ≤ 50 mg/kg
Heavy Metals (as Pb) ≤ 10 mg/kg
Whole Uncracked Beads ≥ 95%
Average ≥ 350 g/bead
> 200 g/bead ≥ 95%
Swelling - Cl- → OH-≤ 25%
Particle Density - 1.08 g/mL
Shipping Weight - 660 g/L

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