LEWATIT® UltraPure 1243 MD

Summary

Product identification

• Product Name: Lewatit® UltraPure 1243 MD
• Product Type: Gel type, strongly basic anion exchange resin (SBA, type I) with monodispersed bead size distribution (uniform particles)
• Matrix: Styrene-divinylbenzene copolymer
• Functional Group: Quaternary amine Typ1 (OH⁻ form)
• Appearance: Yellow, translucent
• Edition: 2018-01-09

Operating limits

• Operating Temperature: max. 40 °C
• Operating pH Range (during exhaustion): 0-12
• Stability pH range: 0-14
• Maximum pressure loss during operation: 250 kPa

Feed water

• Bed depth (single column): min. 800 mm
• Backwash bed expansion: 10 % per m/h (at 20°C)
• Specific pressure loss: 1 kPa*h/m² (at 15°C)
• Specific flow rate: max. 100 BV/h

Product water

• Ultrapure water rinse test (resistivity): min. 17 MOhm*cm (after 80 BV)
• Ultrapure water rinse test delta TOC: max. 3 ppb (after 80 BV)

Electrical

• Total capacity (delivery form): min. 1.1 eq/L

Mechanical / hydraulic

• Uniformity coefficient: max. 1.1
• Mean bead size (d₅₀): 0.64 (+-0.06) mm
• Bulk density (for shipment): 680 (+/- 5%) g/L
• Density: approx. 1.06 g/mL
• Water retention (delivery form): approx. 56-66 % by weight
• Volume change (OH⁻ - Cl⁻): max. approx. -22 %

Storage and Handling

• Storage time (after delivery): max. 1 year
• Storage temperature range: -20 - +40 °C
• Storage conditions: Above freezing point, dry, under roof, without direct sunlight.
• Frozen resin: Thaw gradually at ambient temperature before handling or use. Do not accelerate thawing.
• Packaging stability: Limited to 24 months under described storage conditions.

Additional Information

• Safety: Avoid contact with strong oxidants. Observe the Safety Data Sheet.
• Disposal: Follow European 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