LEWATIT® K2620

Summary

Product Identification

• Product Name: Lewatit® K 2620
• Common Description: Strongly acidic, macroporous, polymer-based catalyst in spherical bead form, with sulfonic acid groups.
• Functional Group: Sulfonic acid
• Matrix: Styrenic
• Structure: Macroporous
• Appearance: Dark, opaque
• Delivery Form: H⁺

Applications

• Production of gasoline additives MTBE, ETBE, and TAME
• Alkylation of larger polar and non-polar molecules, especially phenol alkylations
• Hydration of olefins
• Esterification and etherification
• Condensation reactions

Operating Limits

• Operating Temperature: max. 140 °C
• Operating pH Range (during exhaustion): 0-14
• Max. Pressure Loss (during operation): 250 kPa
• Stability Temperature Range: 1-140 °C
• Bed depth for single column: min. 800 mm

Feed Water / Media

• Suited for processing aqueous and organic liquids, including polar and non-polar media.

Product Water / Characteristics

• Total Capacity (delivery form): min. 1.9 eq/L

Electrical

N/A

Mechanical / Hydraulic

• Uniformity coefficient: max. 1.6
• Range of size for >90 vol% of all beads: 0.40-1.25 mm
• Effective size (d10): 0.50-0.62 mm
• Bulk density for shipment (+/- 5%): 760 g/L
• Density: approx. 1.22 g/mL
• Water retention (delivery form): approx. 50-55 % weight
• Surface BET: approx. 33 m²/g
• Pore volume: approx. 0.45 cm³/g
• Pore diameter: approx. 41 nm

Storage and Handling

• Storage Temperature Range: -20 - +40 °C
• Recommended storage: Above 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. Use within this timeframe or check packaging condition regularly.
• Safety: Observe Safety Data Sheet. Avoid contact with strong oxidants like nitric acid.

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