AmberTec UP900 OH

Summary

Product identification

DuPont™ AmberTec™ UP900 OH Ion Exchange Resin

• Type: Semiconductor-grade, macroporous, Type I strong base anion exchange resin.
• Matrix: Macroporous
• Copolymer: Styrene-divinylbenzene
• Functional Group: Trimethylammonium
• Physical Form: Off-white/cream slightly pink, opaque, spherical beads
• Ionic Form as Shipped: OH⁻
• Historical Reference: Previously sold as AmberLite™ UP900 OH Ion Exchange Resin.

Applications

• Regenerable, primary mixed beds after reverse osmosis.
• Component of mixed beds for ultrapure water production in the semiconductor industry.

Resin Pairings

• Recommended: AmberTec™ UP252 H Ion Exchange Resin (macroporous) or AmberTec™ UP1400 H Ion Exchange Resin (gel).

Typical Properties

Chemical Properties

• Total Exchange Capacity: ≥ 0.70 eq/L (OH⁻ form)
• Water Retention Capacity: 66.0 – 75.0% (OH⁻ form)
• Ionic Conversion (OH⁻): ≥ 93%

Particle Size

• Particle Diameter: 560 – 700 µm
• Uniformity Coefficient: ≤ 1.50
• Finer than 300 µm: ≤ 0.5%

Ultrapure Water Performance

• ΔTOC at 2h00 Rinse: ≤ 10 ppb C

Density

• Particle Density: 675 g/L

Suggested Operating Conditions

• Temperature Range (OH⁻ form): 5 – 60°C (41 – 140°F)
• pH Range (Stable): 0 – 14

For additional information regarding recommended minimum bed depth, operating conditions, and regeneration conditions, refer to the respective Tech Facts documents.

Hydraulic Characteristics

Estimated bed expansion and pressure drop are shown in figures within the original document.

• Backwash Expansion Temperature Range: 10 – 60°C (50 – 140°F)
• Pressure Drop Temperature Range: 10 – 60°C (50 – 140°F)

Quality Assurance

AmberTec™ UP900 OH Ion Exchange Resin is tested for resistivity, total organic carbon (TOC), and kinetic performance when paired with AmberTec™ UP1400 H Ion Exchange Resin.

Regulatory Note

Warning: Oxidizing agents such as nitric acid can react with organic ion exchange resins. Consult knowledgeable sources before using strong oxidizing agents.

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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