LEWATIT® UltraPure 1296 MD

Summary

Product identification

• Product Name: Lewatit® UltraPure 1296 MD
• Product Type: Ready-to-use mixed bed for final polishing in Ultrapure Water applications.
• Components: High grade gel type cation and anion exchange resins.
• Matrix: Styrenic
• Structure: Gel
• Functional Groups: Sulfonic acid (SAC component, H⁺ form), Quaternary ammonium, Type I (SBA component, OH⁻ form)
• Appearance: Dark brown / light brown translucent

Operating limits

• Operating Temperature: Max. 40 °C
• Operating pH Range (during exhaustion): 0 - 14
• Stability pH Range: 0 - 14
• Max. Pressure Loss during operation: 200 kPa
• Specific Pressure Loss (at 15°C): 1.2 kPa*h/m²

Feed water and operational parameters

• Specific Flow Rate: Max. 100 BV/h
• Bed depth for single column: Min. 600 mm
• Freeboard: Higher freeboard necessary compared to Lewatit® UP 1294 MD for separation.

Product water quality

• Ultrapure water rinse test (resistivity): Min. 18 MOhm*cm after 80 BV
• Ultrapure water rinse test delta TOC after 80 BV: Max. 1.0 ppb

Resin properties

• Uniformity coefficient (SAC component): Max. 1.1
• Uniformity coefficient (SBA component): Max. 1.1
• Mean bead size (SAC component): 0.5 (±0.05) mm
• Mean bead size (SBA component): 0.67 (±0.06) mm
• Total capacity (SAC component H⁺ form): Min. 2.1 eq/L
• Total capacity (SBA component OH⁻ form): Min. 1.1 eq/L
• Water retention (SAC component H⁺ form): Approx. 46 - 52 % by weight
• Water retention (SBA component OH⁻ form): Approx. 59 - 65 % by weight
• Bulk density for shipment (±5%): 710 g/L

Mechanical / hydraulic

• Maximum temperature for operation: 40 °C

Storage and handling

• Storage temperature range: -20 °C to +40 °C
• Storage time (after delivery): Max. 1 year
• Recommended storage conditions: Above freezing point of water, under roof, in dry conditions, without direct sunlight.
• Frozen resin handling: Allow to thaw gradually at ambient temperature; do not mechanically handle while frozen.
• Packaging: Special packaging to avoid external contamination. Packaging stability is limited to 24 months under recommended storage conditions.
• Safety: Observe safety data sheet. Avoid contact with strong oxidants. Dispose according to European Community waste nomenclature.

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