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  • Adhesives

Dispercoll® U 84

Anionic, high molecular weight polyurethane dispersion. Dispercoll® U 84 is a raw material for the production of water-based contact adhesives and thermally activated adhesives.

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About

Product Types

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

Material

Adhesives
Fast bonding, Waterborne, Foam bonding

General Characterization

Anionic, high molecular weight polyurethane dispersion.
Dispercoll® U 84 is a raw material for the production of water-based contact adhesives for 2-component spray coagulation processes, in which the joining process takes place wet and immediately after application of the adhesive polymer, for example for foam bonding application. Furthermore Dispercoll® U 84 is suitable for the production of water-based thermally activated adhesives.

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 affect the product properties and possibly resulting in sedimentation or coagulation.
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, fungi or algae 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 51757 g/cm3 approx. 1.1

Specifications

Property Name Test Method Unit Value
Non-volatile content (1g / 1h / 125 °C) DIN EN ISO 3251 % 38 - 42
pH-value DIN ISO 976 6.0 - 9.0
Viscosity at 23 °C,spindle L 2 / 30 rpm DIN EN ISO 2555 mPa*s < 1,000

Downloads

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

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