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  • 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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About

Product Types

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

Material

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

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.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Non-volatile content (1g / 1h / 125 °C) DIN EN ISO 3251 % 39 - 41
pH-value DIN ISO 976 6.0 - 9.0
Viscosity at 23 °C,spindle L 2 / 30 rpm DIN 53019 mPa*s < 1,000

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

Downloads

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