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  • Adhesives

Dispercoll® U 2824

Dispercoll U 2824 XP is a waterborne dispersion of an anionically modified polyurethane.

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About

Product Types

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

Material

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

General Characterization

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

- Storage in original sealed Covestro container.

- Recommended storage temperature: 5 - 23 °C.

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

General information: The product is sensitive to frost. 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.

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 of the dispersion DIN 51 757 g/cm3 approx. 1.1

Specifications

Property Name Test Method Unit Value
pH-value DIN ISO 976 6.0 - 9.0
Non-volatile content (1g / 1h / 125 °C) DIN EN ISO 3251 % 38 - 41
Viscosity at 23 °C,spindle L 2 / 30 rpm M092-ISO 2555 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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