Dowex Monosphere 550A LC NG(OH)

Summary

Product identification

• Product Type: DOWEX™ MONOSPHERE™ 550A LC NG (OH)
• Matrix: Styrene-DVB, gel
• Functional group: Quaternary amine
• Description: A Uniform Particle Size Strong Base Anion Exchange Resin for Non-Regenerable Demineralizers in Nuclear Water Applications. The resin has outstanding purity and performance, uniform particle size and absence of fine beads resulting in a low pressure drop, excellent physical stability, and low metallic impurity levels.

Guaranteed Sales Specifications (OH⁻ form)

• Total exchange capacity, min.: 1.1 eq/L (24.0 kgr/ft³ as CaCO₃)
• Water content: 55 - 65 %
• Bead size distribution:
  • Mean particle size: 590 ± 50 µm
  • Uniformity coefficient, max.: 1.1 %
  • < 300 µm, max.: 0.2 %
• Whole uncracked beads, min.: 95 %
• Crush strength:
  • Average, min.: 350 g/bead

  • 200 g/bead, min.: 95 %

• Ionic conversions:
  • OH⁻: 95% min.
  • Cl⁻: 0.1% max.
  • CO₃²⁻: 5% max.
  • SO₄²⁻: 0.1% max.
• Trace metals, ppm dry resin, max.:
  • Na: 40
  • Fe: 50
  • Cu: 10
  • Al: 50
  • Mg: 50
  • Ca: 50
  • Co: 30
  • Pb: 10
  • Hg: 10
• Heavy metals (as Pb): 10 ppm

Typical Physical and Chemical Properties (OH⁻ form)

• Particle density: 1.08 g/mL
• Shipping weight: 640 g/L (40 lbs/ft³)

Recommended Operating Conditions

• Maximum operating temperature: 60°C (140°F)
• pH range: 0 - 14
• Bed depth, min.:
  • Mixed bed: 450 mm (1.5 ft)
  • Single bed: 800 mm (2.6 ft)

Packaging

• 50 liter or 5 cubic foot fiber drums

Disclaimer: Extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror