LEWATIT® MDS 1368 Na / 350

Summary

Product identification

• Product Name: LEWATIT® MDS 1368 Na 350
• Description: Food grade, gel-type, monodisperse, strongly acidic cation exchange resin based on a styrene-divinylbenzene copolymer.
• Applications: Particularly suitable for chromatographic separations, such as the ion exclusion of molasses. Suitable for the treatment of drinking water and specified aqueous solutions.
• Common Description: Na⁺
• Delivery form: Gel
• Functional group: Sulfonic acid
• Matrix: Styrenic
• Appearance: Light brown, transparent

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
• Max. pressure loss during operation: 200 kPa

Feed water

• Bed depth for single column: min. 800 mm
• Backwash bed expansion (20°C): 15 % per m/h
• Specific pressure loss (15°C): 4 kPa*h/m²

Product water

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

Electrical

None specified.

Mechanical / hydraulic

• Uniformity coefficient: max. 1.15
• Mean bead size (d₅₀): 0.33 - 0.39 mm
• Bulk density for shipment (+/- 10%): 820 g/L
• Density: approx. 1.24 g/mL
• Water retention (H⁺ form): approx. 47-53 weight %

Storage and handling

• Storage temperature range: -20 - +40 °C
• Storage time (after delivery): min. 0.5 years
• Storage conditions: Recommended to store above the freezing point of water, under roof, in dry conditions without direct sunlight.
• Frozen resin: If frozen, allow to thaw gradually at ambient temperature before handling or use. Do not accelerate thawing.
• Packaging stability: Limited to 24 months under described storage conditions.

Safety and disposal

• Safety precautions: Avoid contact with strong oxidants (e.g., nitric acid).
• Disposal: According to European waste nomenclature within the European Community. Observe safety data sheet.

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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