LEWATIT® MDS 1368 Ca / 350

Summary

Product identification

• Product name: LEWATIT® MDS 1368 Na 350
• Common Description: Food grade, gel-type, monodisperse, strongly acidic cation exchange resin based on a styrene-divinylbenzene copolymer.
• Functional group: Sulfonic acid
• Matrix: Styrenic
• Structure: Gel
• Appearance: Light brown, transparent
• Delivery form: Na⁺

Specified Data

• Uniformity coefficient: max. 1.15
• Mean bead size (d₅₀): 0.33 - 0.39 mm
• Total capacity (H⁺ form): min. 1.8 eq/L

Typical Physical and Chemical Properties

• Bulk density for shipment (+/- 10%): 820 g/L
• Density (approx.): 1.24 g/mL
• Water retention (H⁺ form) (approx. weight %): 47-53 %
• Stability pH range: 5-14
• Stability temperature range: 1-120 °C
• Storage time (after delivery) (min.): 0.5 years
• Storage temperature range: -20 - +40 °C

Operation

• Operating temperature (max.): 120 °C
• Operating pH range during exhaustion: 0-14
• Bed depth for single column (min.): 800 mm
• Backwash bed expansion per m/h (20°C): 15 %
• Specific pressure loss (15°C): 4 kPa*h/m²
• Max. pressure loss during operation: 200 kPa

Additional Information & Regulations

• Safety precautions: Strong oxidants, e.g. nitric acid, can cause violent reactions if they come into contact with ion exchange resins.
• Toxicity: The safety data sheet must be observed.
• Disposal: In the European Community, ion exchange resins have to be disposed of according to the European waste nomenclature.
• Storage: Recommended to store at temperatures above the freezing point of water, under roof, in dry conditions without direct sunlight. If frozen, allow to thaw gradually at ambient temperature.
• Packaging: Packaging stability is limited to 24 months under recommended storage conditions.

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