LEWATIT® K 1137

Summary

Product identification

• Product Name: Lewatit® K 1137
• Common Description: Strongly acidic, gel-type, polymer-based resin in spherical bead form with a very narrow bead size distribution. Low degree of crosslinking and partially loaded with a condensation promotor.
• Functional group: Sulfonic
• Matrix: Styrenic
• Structure: Gel
• Appearance: Translucent
• Delivery form: H⁺

Operating limits

• Stability temperature range: 1–130 °C
• Storage temperature range: -20 – +40 °C

Feed water

This product is specifically suited for use as a heterogeneous catalyst in the production of Bisphenol-A (BPA).

Product water

Not applicable for this product as it is a catalyst.

Electrical

Not applicable.

Mechanical / hydraulic

• Range of size for >90 vol% of all beads: 0.80–1.25 mm
• Effective size (d10): 0.59–0.71 mm
• Bulk density for shipment (+/- 5%): 720 g/L
• Density (approx.): 1.07 g/mL

Chemical properties

• Total capacity (delivery form): min. 0.65 eq/L (Value refers to the unpromoted product)
• Total capacity (dry resin): min. 5.0 eq/kg (Value refers to the unpromoted product)
• Promotion level: 0.80–1.05 mol nitrogen/kg
• Water retention (delivery form): approx. 78–82 % by weight (Value refers to the unpromoted product)

Storage and handling

• Storage time (after delivery): max. 0.5 years
• Safety precautions: Strong oxidants, e.g. nitric acid, can cause violent reactions. Observe safety data sheet.
• Disposal: Follow European waste nomenclature.
• Recommended storage: Above freezing point of water, under roof, in dry conditions without direct sunlight.
• Frozen resin: Thaw gradually at ambient temperature before handling or use.
• Packaging stability: Limited to 24 months under described storage conditions. Check packaging condition regularly if used beyond this time.

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