LEWATIT® MDS 1369 Ca / 290

Summary

Product identification

• Product Name: Lewatit® MDS 1369 Ca 290
• Common Description: Food grade, gel-type, monodisperse, strongly acidic cation exchange resin
• Functional group: Sulfonic acid
• Matrix: Styrenic
• Structure: Gel
• Appearance: Light brown, translucent
• Delivery form: Ca²⁺

Operating limits

• Stability pH range: 5–14
• Stability temperature range: 1–120 °C
• Operating temperature (max.): 120 °C
• Operating pH range during exhaustion: 0–14

Feed water

• Bed depth for single column (min.): 800 mm
• Backwash bed expansion per m/h (20°C): 15 %

Product water

• Total capacity (H⁺ form) (min.): 1.8 eq/L

Electrical

• Not specified in the extract.

Mechanical / hydraulic

• Uniformity coefficient (max.): 1.15
• Mean bead size: 0.26–0.32 mm
• Bulk density for shipment (+/- 10%): 780 g/L
• Density (approx.): 1.3 g/mL
• Water retention (H⁺ form) (approx.): 47–53 weight %
• Specific pressure loss: 4 kPa*h/m² (15°C)
• Max. pressure loss during operation: 200 kPa

Storage and Handling

• Storage temperature range: -20 – +40 °C
• Storage time (after delivery) (min.): 0.5 years
• Recommended storage conditions: Above freezing point of water, under roof, dry, no direct sunlight.
• Handling if frozen: Allow to thaw gradually at ambient temperature. Do not mechanically handle.
• Safety: Avoid contact with strong oxidants. Observe safety data sheet.
• Disposal: According to 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