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  • Adhesives

Dispercoll® U 8755

Anionic high-molecular-weight polyurethane dispersion for the formulation of adhesives e.g. for automotive, shoe and furniture industries, esp. for applications at elevated activation temperatures.

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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

Anionic high-molecular-weight polyurethane dispersion.
Dispercoll® U 8755 is a raw material for the formulation of thermally activated adhesives for use in, for example, the furniture, automotive, shoe and construction industries. The characteristic rheology of the thermally activated polymer film makes Dispercoll® U 8755 particularly well suited for use at elevated application and activation temperatures.

Storage Conditions

- Storage in original sealed Covestro containers.

- Recommended storage temperature: 10 - 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
Density at 20 °C DIN 51 757 g/cm3 approx. 1.1
Minimum film-forming temperature DIN ISO 2115 °C approx. 5

Specifications

Property Name Test Method Unit Value
pH-value DIN ISO 976 6.0 - 9.0
Viscosity at 23 °C,spindle L 2 / 30 rpm DIN EN ISO 2555 mPa*s max. 1,000
Non-volatile content (1g / 1h / 125 °C) DIN EN ISO 3251 % 44 - 46

Downloads

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

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