Desmodur® XP 2551

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Product Types

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General Characterization

Desmodur XP 2551 is an aromatic polyisocyanate based on diphenylmethane diisocyanate.
As a hardener primarily for polymeric concrete.

Storage Conditions

Desmodur XP 2551 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Processibility of this product can be adversely affected by contamination. Recommended storage temperature is 10º-30ºC.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Density at 20°C g/ml approx. 1.23
Flash point °C approx. 220
Equivalent weight approx. 131


Property Name Test Method Unit Value
Acidity (HCl) mg/kg 415 ± 65
NCO content % 32 ± 0.4
Viscosity at 25°C mPa∙s 65 ± 10


Technical Data Sheet
Safety Data Sheet
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