DIAION PK228LH

Summary

Product identification

• Grade Name: DIAION™ PK228LH
• Type: Strong Acid Cation
• Matrix: Styrene-DVB, Porous
• Functional Group: Sulfonic Acid
• Ionic Form: H⁺

DIAION™ PK228LH is a porous type strongly acidic cation exchange resin with 14% cross-linkages. It is recommended for manufacturing and processing pure water and as a catalyst.

Operating limits

• Maximum Operating Temperature: 120 °C
• Operating pH Range: 0 - 14

Regenerant

• Regenerant: HCl, H₂SO₄
• Regenerant Concentration:
  • HCl: 4 - 10 %
  • H₂SO₄: 1 - 4 %
• Regenerant Level: 50 - 200 g/L
• Regenerant Flow Rate: 2 - 10 m/h
• Total Rinse Requirement: 2 - 10 BV

Mechanical / hydraulic

• Minimum Bed Depth: 800 mm
• Service Flow Rate: 10 - 60 m/h
• Shipping Density: 770 g/L
• Mean Particle Size: 740 μm
• Particle Density: 1.26 g/mL
• Effective Size: 0.45 mm min.
• Uniformity Coefficient: 1.6 max.

Product water

• Salt Splitting Capacity: 1.9 meq/mL min.
• Ionic Form Conversion (H Form): 95 % min.

Typical Properties

• Total Swelling (Na⁺ to H⁺): 5 %
• Whole Bead Count: 95 % min.
• Water Content: 39 - 49 %
• Particle Size Distribution on 1180 μm: 5 % max.
• Particle Size Distribution through 425 μm: 1 % max.

Hydraulic Characteristics: Graphs showing approximate pressure drop at various temperatures and flow rates for each meter of bed depth are available in the original document.

Disclaimer: This 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