• Adhesives

Dispercoll® U XP 2643

Anionic polyurethane dispersion for the formulation of adhesives e.g. for packaging, automotive, footwear and construction industries. Suitable for bonding at RT and low bondline temperatures.

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Product Types

  • Dispersion
  • PU dispersion
  • PU dispersion - high molecular
  • Waterbased dispersion


Waterborne, Contact adhesive, Fast bonding, Heat activated, Moisture resistant, Heat resistant

General Characterization

Aqueous polyurethane dispersion.
Dispercoll® U XP 2643 is an aqueous dispersion of an anionic modified polyurethane. It is a raw material for the formulation of adhesives for use in, for example, the packing, automotive, footwear and construction industries. Because of the characteristic polymer properties Dispercoll® U XP 2643 is suitable for bondings at roomtemperature and applications at low heat activation temperatures.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 10 - 23 °C.

- Protect from direct sunlight, frost, heat and foreign material.

General information: The product is sensitive to cold temperatures below +10 °C. Freezing can damage the product irreversibly. Temperatures higher than 30 °C should be avoided. Prolonged storage at higher temperatures may affect the product properties. Containers must be kept sealed and protected from direct sunlight as otherwise the evaporation of water will result in the formation of a non-redispersible polymer film. After extended storage time sedimentation can occur. The material can be proceeds without quality losses after homogenization.


No data available

Packaging Type

No data available

Technical Properties & Datasheets


Property Name Test Method Unit Value
Viscosity at 23 °C,spindle L 2 / 30 rpm DIN EN ISO 2555 mPa*s < 1,000
Non-volatile content (1g / 1h / 125 °C) DIN EN ISO 3251 % 39 - 41
pH-value DIN ISO 976 6.0 - 9.0


Property Name Test Method Unit Value
Density DIN 51 757 g/cm3 approx. 1.1
Minimum film-forming temperature DIN ISO 2115 °C approx. 5


Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com