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Desmodur® E 23 A

Aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI).

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Material

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General Characterization

Desmodur E 23 A is an aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI).
It is suitable as a binder for the formulation of moisture-curing, one-component coatings and adhesives.
It is also suitable as a hardener for hydroxyl-bearing co-reactants.

Storage Conditions

Desmodur E 23 A should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture and should therefore be stored in its sealed original containers. Storage at high temperatures will lead to an increase in viscosity and a reduction of the NCO content. Recommended storage temperature is 0o - 25oC.

Sampling

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Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO content % 16 - 17
Viscosity at 25°C mPa∙s ≤ 1,600

Property Name Test Method Unit Value
Flash point °C > 193
Equivalent weight 266 - 280
Density at 20°C g/cm3 approx. 1.13

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Technical Data Sheet
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