Datasheet summary
LEWATIT® MDS 1368 Na / 320
PDF datasheet mirror for LEWATIT® MDS 1368 Na / 320 (Lanxess LEWATIT). Verify with OEM before design.
Summary
Product identification
- Product Name: Lewatit® MDS 1368 Na 320
- Product Type: Strongly acidic, gelular cation exchange resin
- Matrix: Crosslinked polystyrene
- Structure: Gel-type
- Appearance: Light brown, translucent
- Ionic form as shipped: Na⁺
- Functional group: Sulfonic acid
Applications
Lewatit® MDS 1368 Na 320 is a bead-shaped monodisperse resin specially suitable for chromatographic separation processes, e.g., ion exclusion of molasses. It is also suitable for treating potable water and listed aqueous solutions.
Physical and Chemical Properties
- Uniformity Coefficient: max. 1.1
- Mean bead size: 0.30 - 0.33 mm
- Bulk density: 840 g/l (± 5 %)
- Density: approx. 1.26 g/ml
- Water retention: 47 - 53 wt. %
- Total capacity: min. 1.8 eq/l
- Volume change (Na⁺ --> H⁺): max. 10 vol. %
Operating Limits
- pH range: 0 - 14
- Temperature range (stability): -20 - 120 °C
- Operating temperature: max. 100 °C
- Storability: max. 2 years at -20 - 40 °C
Recommended Operating Conditions
- Bed depth: min. 800 mm
- Specific pressure drop (at viscosity 1 mPa·s): approx. 4 kPa·h/m²
- Pressure drop: max. 200 kPa
- Linear velocity (backwash, 20 °C): approx. 7 m/h
- Bed expansion (20 °C, per m/h): approx. 15 vol. %
- Freeboard (backwash, extern / intern): 80 - 100 vol. %
Safety and Handling
- Oxidants: Strong oxidants like nitric acid can cause violent reactions.
- Storage: Recommended above freezing point, under roof, dry, out of direct sunlight. If frozen, allow to thaw gradually at ambient temperature before handling or use.
Regulations
- Food grade: Certified for food grade applications.
- Disposal: Must be disposed of according to European waste nomenclature within the European Community.
- Safety Data Sheet: Must be observed for detailed information on transport, storage, handling, safety, and ecology.
Disclaimer: Extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.