DIAION UBA120OH

Summary

Product identification

• Grade Name: DIAION™ UBA120OH
• Type: Strong Base Anion
• Matrix: Styrene-DVB, Gel
• Functional Group: Type I (trimethyl ammonium groups)
• Ionic Form: OH⁻

DIAION™ UBA120OH is an anion exchange resin with a uniform particle size, standard cross-linkages, and excellent properties. It is recommended for a wide range of applications, especially in the manufacturing and processing of pure water.

Specifications

• Whole Bead Count: 90 % min.
• Salt Splitting Capacity: 1.0 meq/mL min.
• Water Content: 62 - 70 %
• Average Diameter: 620 ± 50 μm
• Uniformity Coefficient: 1.10 max.
• Ionic Conversion (OH⁻): 90 % min.
• Shipping Density: 675 g/mL
• Particle Density: 1.07 g/mL
• Total Swelling (Cl⁻ to OH⁻): 24 %

Recommended Operating Conditions

• Maximum Operating Temperature: 80 °C (Cl⁻), 60 °C (OH⁻)
• Operating pH Range: 0 - 14
• Minimum Bed Depth: 800 mm
• 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

Hydraulic Characteristics

The approximate pressure drop at various temperatures and flow rates for each meter of bed depth of DIAION™ UBA120OH resin in normal downflow operation is shown in the graphs (refer to the original PDF for graphical data).

---

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