Datasheet summary
DIAION PA312
PDF datasheet mirror for DIAION PA312 (Mitsubishi). Verify with OEM before design.
Summary
Product identification
- Grade Name: DIAION™ PA312
- Type: Strong Base Anion
- Matrix: Styrene-DVB, Porous
- Functional Group: Type I (trimethyl ammonium groups)
- Ionic Form: Cl⁻
DIAION™ PA312 is a porous type strongly basic anion exchange resin with 6% cross-linkages.
Recommended Operating Conditions
- Maximum Operating Temperature:
- 80 °C (Cl⁻ form)
- 60 °C (OH⁻ form)
- Operating pH Range: 0 - 14
- Minimum Bed Depth: 800 mm
- Service Flow Rate: 10 - 60 m/h
- 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
Typical Properties
- Shipping Density: 680 g/L
- Mean Particle Size: 640 μm
- Particle Density: 1.07 g/mL
- Total Swelling (Cl⁻ to OH⁻): 23 %
- Whole Bead Count: 95 % min.
- Salt Splitting Capacity: 1.2 meq/mL min.
- Water Content: 49 - 55 %
- Particle Size Distribution on 1180 μm: 5 % max.
- Particle Size Distribution through 300 μm: 1 % max.
- Effective Size: 0.40 mm min.
- Uniformity Coefficient: 1.6 max.
Hydraulic Characteristics
Graphs are provided in the original document showing approximate pressure drop for each meter of bed depth at various temperatures and flow rates for normal downflow operation.
Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.