Desmodur® VP.PU 10WB21

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Product Types

  • MDI


No data available

General Characterization

Desmodur® VP.PU 10WB21 is a NCO terminated diphenyl methane-4,4'-diisocyanate (MDI) prepolymer for the production of rebonded flexible foams.

Storage Conditions

Recommended storage temperature (°C): 20 – 40
Shelf life (ex works)
6 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 40.


The access of moisture in any form must be prevented.

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Density at 20 °C DIN 51757 g/cm3 approx. 1.163
Appearance DIN ISO 6271 brownish liquid

Property Name Test Method Unit Value
NCO content 25°C MDI-01-01 % 19.5 to 20.5
Viscosity at 25 °C MDI-01-02 mPa*s 900 to 1300
Acidity MDI-01-03 ppm 250 to 400


Technical Data Sheet
Safety Data Sheet
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