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  • Adhesives

Dispercoll® U 42

Anionic high-molecular-weight polyurethane dispersion for the formulation of adhesives e.g. for automotive, footwear and furniture industries, esp. for the wet bonding of textile substrates.

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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 42 is a raw material for the formulation of adhesives for use in, for example, the furniture, automotive, shoe and construction industries. Due to the softness of the polymer film and elevated temperature performance Dispercoll® U 42 is particularly well suited for the wet bonding of textile substrates. It has also found utility for a variety of film to film bonding applications.

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 51 757 g/cm3 approx. 1.1

Specifications

Property Name Test Method Unit Value
Non-volatile content (1g / 1h / 125 °C) DIN EN ISO 3251 % 48 - 52
Viscosity at 23 °C, spindle L 2 / 30 rpm DIN EN ISO 2555 mPa*s 150 - 800
pH-value DIN ISO 976 6.0 - 9.0

Downloads

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

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