LEWATIT® K 1161

Summary

Product identification

• Product Name: Lewatit® K 1161
• Type: Gel-type, polymer-based resin in spherical bead form with strongly acidic sulfonic acid groups.
• Particle Size Distribution: Monodisperse (beads of almost the same size).
• Cross-linking: Low degree of cross-linking.
• Applications: Processing of liquid organic media, including Bisphenol-A production, condensation and esterification of small polar molecules, and hydrolysis of ethers and esters.

Operating limits

• Stability Temperature Range: 1-130 °C
• Storage Temperature Range: -20 - +40 °C

Feed water (or liquid organic media)

• Functional Group: Sulfonic acid (H⁺)
• Matrix: Styrenic
• Structure: Gel

Product water (or treated media)

• Total Capacity (delivery form): min. 0.7 eq/L
• Total Capacity (dry resin): min. 5.0 eq/kg

Electrical

• No information available in the extract.

Mechanical / hydraulic

• Uniformity Coefficient: max. 1.1
• Mean Bead Size (d₅₀): 0.90-1.20 mm
• Bulk Density (for shipment +/- 5%): 710 g/L
• Water Retention (delivery form): approx. 75-80 % by weight

Additional Information

• Delivery Form: H⁺
• Appearance: Brown, translucent
• Storage Time: max. 0.5 years after delivery. Recommended to use within 24 months of delivery.
• Safety: Avoid contact with strong oxidants (e.g., nitric acid). Observe safety data sheet.
• Disposal: According to European waste nomenclature.
• Storage Conditions: Above freezing point of water, under roof, dry, without direct sunlight. If frozen, thaw gradually at ambient temperature before handling or use.
• 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