DIAION SAF20AP

Summary

Product identification

• Grade Name: DIAION™ SA20AP
• Type: Strong Base Anion
• Matrix: Styrene-DVB, Gel
• Functional Group: Type II (dimethylethanol ammonium groups)
• Ionic Form: Cl⁻

DIAION™ SA20AP is a gel type strongly basic anion exchange resin. It is a Type II resin with standard cross-linkages and anti-clumping characteristics. It is recommended for a wide range of applications, especially in the field of manufacturing and processing pure water in a regenerable mixed bed.

Operating limits

• Maximum Operating Temperature: 60 °C (Cl⁻), 40 °C (OH⁻)
• Operating pH Range: 0 - 14
• Minimum Bed Depth: 800 mm

Feed water

• Regenerant: NaOH
• Regenerant Concentration: 2 - 8 % NaOH
• Regenerant Level: 50 - 200 g/L
• Regenerant Flow Rate: 2 - 8 m/h
• Total Rinse Requirement: 2 - 10 BV

Product water

See the official PDF for exact tabulated values.

Electrical

Not applicable.

Mechanical / hydraulic

• Service Flow Rate: 10 - 60 m/h
• Shipping Density: 670 g/L
• Mean Particle Size: 630 μm
• Particle Density: 1.11 g/mL
• Total Swelling (Cl⁻ to OH⁻): 24 %

The graphs for approximate pressure drop at various temperatures and flow rates for each meter of bed depth are shown in the original document.

Specification

• Whole Bead Count: 90 % min.
• Salt Splitting Capacity: 1.3 meq/mL min.
• Water Content: 45 - 52 %
• Particle Size Distribution on 1180 μm: 5 % max.
• Particle Size Distribution thr. 300 μm: 1 % max.
• Effective Size: 0.40 mm min.
• Uniformity Coefficient: 1.6 max.

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