• Adhesives

Desmophen® 4051 B

Branched polypropylene ether polyol containing tertiary amine groups.

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Product Types

  • Polyol
  • Polyether polyol



General Characterization

Branched polypropylene ether polyol containing tertiary amine groups.
Desmophen® 4051 B is a polyether polyol that is suitable for combination with Desmodur® in the formulation of low-solvent polyurethanes.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 15 - 25 °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.


No data available

Packaging Type

No data available

Technical Properties & Datasheets


Property Name Test Method Unit Value
Density at 20 °C DIN 51 757 g/cm3 approx. 1.02
OH equivalent weight g approx. 120
Hydroxyl content % by wt. 14.2 ± 0.6


Property Name Test Method Unit Value
Hydroxyl number PET-11-01 mg KOH/g 470 ± 20
Viscosity at 25 °C PET-10-01 mPa*s 5,400 ± 450
Water content PET-19-01 % by wt. ≤ 0.13


Technical Data Sheet
Safety Data Sheet
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