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  • Adhesives

Dispercoll® U 2824

Aqueous anionic polyurethane dispersion for the formulation of adhesive dispersions. Contains carboxyl groups in the polymer chain and is crosslinkable with the polycarbodiimide from Desmodur® XP 2802.

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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

Dispercoll U 2824 is an aqueous polyurethane dispersion.
Dispercoll U 2824 is a waterborne dispersion of an anionically modified polyurethane. It is a raw material for the formulation of adhesive dispersions. Dispercoll U 2824 contains carboxyl groups in the polymer chain that can be crosslinked with the polycarbodiimide from Desmodur® 2802 to produce high-quality adhesive bonds.

Storage Conditions

Dispercoll U 2824 should be stored in tightly sealed original containers and protected from direct sunlight, freezing, heat, and foreign materials. The product is sensitive to freezing. 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. Recommended storage temperature is 5º-23ºC.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Minimum film forming temperature °C approx. 5
Density g/cm^3 approx. 1.1

Specifications

Property Name Test Method Unit Value
Non-volatile content (1g/1h/125°C) % 38 - 41
pH value 6.0 - 9.0
Viscosity at 23^oC(spindle L 2 / 30 rpm) mPa∙s 50 - 1,000

Downloads

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

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