LEWATIT® UltraPure 1216 MD

Summary

Product identification

Product Name: Lewatit® UltraPure 1216 MD Product Type: Gel type, strongly acidic cation exchange resin (SAC) Matrix: Styrene-divinylbenzene copolymer Bead Size: Monodispersed (uniform particles) Application: Polishing systems for the production of ultrapure water. Optimized for use with Lewatit® UltraPure 1243 MD in mixed-bed systems.

Operating limits

• Operating Temperature: max. 60 °C
• Operating pH Range (during exhaustion): 0-14
• Max. Pressure Loss (during operation): 200 kPa
• Bed depth (single column): min. 800 mm
• Specific flow rate: max. 100 BV/h
• Specific pressure loss (15°C): 1.5 kPa*h/m²

Feed water

No specific feed water parameters are listed, but the product is designed for polishing systems to achieve ultrapure water.

Product water

• Ultrapure water rinse test (resistivity): min. 12 MOhm*cm after 80 BV
• Ultrapure water rinse test delta TOC: max. 10 ppb after 80 BV

Electrical

Not applicable.

Mechanical / hydraulic

• Uniformity coefficient: max. 1.1
• Mean bead size (d₅₀): 0.55 (+-0.05) mm
• Total capacity (delivery form): min. 2.1 eq/L
• Bulk density (for shipment +/- 5%): 790 g/L
• Density (approx.): 1.22 g/mL
• Water retention (delivery form): approx. 45-50 % by weight
• Volume change (H⁺ - Na⁺): max. approx. -8 %
• Friability: >95 vol % at >200 g/bead

Chemical properties

• Functional group: Strongly acidic cation exchange
• Ionic conversion H⁺: min. 99.9 eq. %
• Stability pH range: 0-14

Regeneration

• HCl regeneration concentration: approx. 4-6 wt. %
  • Quantity (co-current): min. 100 g/L resin
  • Quantity (counter-current): min. 55 g/L resin
• H₂SO₄ regeneration concentration: approx. 1.5-8 wt. %
  • Quantity (co-current): min. 120 g/L resin
  • Quantity (counter-current): min. 80 g/L resin
• Regeneration contact time: min. 20 minutes
• Rinse (slow at regeneration flow rate): min. 2 BV
• Rinse (fast at service flow rate): min. 2 BV

Storage and Handling

• Storage time (after delivery): max. 1 year
• Storage temperature range: -20 - +40 °C
• Recommended Storage: Above freezing point of water, under roof, in dry conditions, without direct sunlight.
• Frozen Resin: Thaw gradually at ambient temperature; do not mechanically handle or accelerate thawing.
• Safety: Observe safety data sheet. Avoid contact with strong oxidants.
• Disposal: According to European waste nomenclature.
• Packaging Stability: Limited to 24 months under recommended storage conditions. Check packaging condition if stored longer.

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