Impranil® DL 1850

Aromatic/aliphatic, anionic polyurethane dispersion.

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Product Types

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General Characterization

Aromatic/aliphatic, anionic polyurethane dispersion.
Tie coat for elastic substrates with average penetration.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 5 - 30 °C.

- Protect from frost, heat and foreign material.

General information: If the containers are not sealed properly, the evaporation of water will result in the formation of a film which cannot be redispersed. he product is sensitive to frost. Freezing will damage the product irreversibly.
Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Contamination with certain bacteria, fungi or algae may render the product unusable.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Visual appearance milky white
Density at 20 °C DIN ISO 2811 g/ml approx. 1.0


Property Name Test Method Unit Value
Non-volatile content (1 g / 1 h / 125 °C) DIN EN ISO 3251 % 38.0 - 42.0
Viscosity 23 °C, D=40s-1 M014-ISO 3219/A.3 mPa.s < 150
pH value DIN ISO 976 8.0 - 10.0


Technical Data Sheet
Safety Data Sheet
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