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  • Adhesives

Dispercoll® U 2849

Dispercoll U 2849 XP is an anionic, high molecular weight polyurethane dispersion.

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About

Product Types

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

Material

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

General Characterization

Anionic high-molecular-weight polyurethane dispersion.

Dispercoll® U 2849 is a waterborne dispersion of a anionically modified polyurethane. It is an adhesives raw material for the formulation of adhesives for use in e.g. the furniture-, automotive- and shoe-industries. Due to the characteristic polymer properties Dispercoll® U 2849 is suitable for adhesive applications with improved climate resistance.

Storage Conditions

- Storage in original sealed Covestro containers.

- Recommended storage temperature: 5 - 23 °C, temperatures higher than
30 °C should be avoided.

- Protect from direct sunlight, frost, heat and foreign material.
General information: The product is sensitive to frost. Freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity.
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.
Contamination with certain bacteria or fungi may render the product unusable.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Minimum film-forming temperature DIN ISO 2115 °C approx. 5
Density at 20 °C DIN 51 757 g/cm3 approx. 1.1

Specifications

Property Name Test Method Unit Value
pH-value DIN ISO 976 6.0 - 9.0
Viscosity spindle L 2 / 30 rpm M092-ISO 2555 mPa*s ≤ 2,000
Non-volatile content (1 g / 1 h / 125 °C) DIN EN ISO 3251 % 49 - 51

Downloads

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

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