Desmodur® E 23 A
Aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI).
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About
Product Types
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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.
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 18o - 30oC.
Sampling
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Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Equivalent weight | 247 - 263 | ||
| Density at 20°C | g/cm^3 | approx. 1.13 | |
| Flash point | °C | > 193 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| NCO content | % | 16 - 17 | |
| Viscosity at 25°C | mPa∙s | ≤ 1,600 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
