• Adhesives
  • Coatings

Desmodur® VL 50

Aromatic polyisocyanate based on diphenylmethane diisocyanate.

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Product Types

  • MDI
  • PIC
  • PMDI
  • Aromatic polyisocyanate
  • Isocyanate
  • Polyisocyanurate
  • Reactive system
  • Polyisocyanate


Elastic, Solvent-free, Flexible

General Characterization

Aromatic polyisocyanate based on diphenylmethane diisocyanate.
In combination with suitable low-viscosity Desmophen® grades to formulate self-levelling, two-component polyurethane coating and sealing compounds, as well as solvent-free, two-component polyurethane primers and thin-coat finishes.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 10 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers. Storage at higher temperatures may result in an increase in viscosity and at lower temperatures in the formation of crystalline deposits.


No data available

Packaging Type

No data available

Technical Properties & Datasheets


Property Name Test Method Unit Value
Viscosity 25 °C MDI-01-02 mPa*s 22.5 ± 7.5
NCO MDI-01-01 % 32.5 ± 1.0
Acidity (HCI) MDI-01-03 mg/kg ≤ 600


Property Name Test Method Unit Value
Density at 20°C DIN EN ISO 2811-3 g/ml approx. 1.22
Equivalent weight 129
Flash point DIN EN ISO 2719 °C > 200


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

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