Datasheet summary
LEWATIT® K 2431
PDF datasheet mirror for LEWATIT® K 2431 (Lanxess LEWATIT). Verify with OEM before design.
Summary
Product identification
Lewatit® K 2431 is a strongly acidic, macroporous, polymer-based ion exchange resin with sulfonic acid groups. It is supplied in spherical bead form.
Applications
Lewatit® K 2431 is designed for:
- Phenol alkylation with olefins
- Esterifications and etherifications
- Condensation reactions
- Alkylation of larger polar and non-polar molecules
- Purification of phenol
Properties
Common Description
- Delivery form: H⁺
- Functional group: Sulfonic
- Matrix: Styrenic
- Structure: Macroporous
- Appearance: Beige, opaque
Specified Data
- Uniformity coefficient: max. 1.7
- Range of size for >90 vol% of all beads: 0.5-1.6 mm
- Effective size: 0.56-0.66 mm
- Total capacity (delivery form): min. 1.2 eq/L
Typical Physical and Chemical Properties
- Bulk density for shipment (+/- 5%): 700 g/L
- Density: approx. 1.14 g/mL
- Water retention (delivery form): approx. 63-68 % by weight
- Stability temperature range: 1-130 °C
- Storage temperature range: -20 - +40 °C
- Surface BET: approx. 25 m²/g
- Pore volume: approx. 0.35 cm³/g
- Pore diameter: approx. 40 nm
Operating Parameters
- Operating temperature (max.): 130 °C
- Operating pH range during exhaustion: 0-14
- Bed depth for single column (min.): 1000 mm
- Max. pressure loss during operation: 250 kPa
Storage and Handling
- Storage Temperature: Recommended to store above the freezing point of water, under roof, in dry conditions, and out of direct sunlight.
- Frozen Resin: If frozen, allow to thaw gradually at ambient temperature; do not handle mechanically. Thawing must be complete before handling or use. Do not accelerate thawing.
- Packaging Stability: Limited to 24 months under recommended storage conditions. Use product within this timeframe or check packaging condition regularly.
- Safety: Observe Safety Data Sheet. Avoid contact with strong oxidants like nitric acid.
- Disposal: Dispose according to European Community Ion Exchange Resins waste nomenclature.
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.