DIAION SA20ALL

Summary

Product identification

• Grade Name: DIAION™ SA20ALL
• Type: Strong Base Anion
• Matrix: Styrene-DVB, Gel
• Functional Group: Type II (dimethylethanol ammonium groups)
• Ionic Form: Cl⁻

DIAION™ SA20ALL is a gel type strongly basic anion exchange resin, classified as a Type II resin with standard cross-linkages and excellent properties. It is recommended for a wide range of applications, particularly in the manufacturing and processing of pure water.

Operating limits

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

Service flow rate

• Service Flow Rate: 10 - 60 m/h

Regeneration

• 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

Specifications

• Whole Bead Count: 90 min. %
• Salt Splitting Capacity: 1.3 min. meq/mL
• Water Content: 45 - 52 %
• Particle Size Distribution on 1180 μm: 5 max. %
• Particle Size Distribution through 425 μm: 1 max. %
• Effective Size: 0.45 min. mm
• Uniformity Coefficient: 1.6 max.

Typical Properties

• Shipping Density: 700 g/L
• Mean Particle Size: 650 μm
• Particle Density: 1.11 g/mL
• Total Swelling (Cl⁻ to OH⁻): 24 %

Hydraulic Characteristics

The approximate pressure drop at various temperatures and flow rates for each meter of bed depth of DIAION™ SA20ALL resin in normal downflow operation is shown in the graphs 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