Desmodur® N 3200A
Aliphatic polyisocyanate (low-viscosity HDI biuret). As the hardener component for lightfast polyurethane coating systems.
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About
Product Types
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Material
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General Characterization
Desmodur N 3200A is an aliphatic polyisocyanate (low-viscosity HDI biuret).
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
Storage Conditions
Desmodur N 3200A should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 5º-25ºC.
Sampling
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Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Appearance | Clear, slightlyyellow liquid | ||
| Viscosity at 23°C | mPa∙s | 2,500 | |
| Equivalent weight avg. (as supplied) | 181 | ||
| Weight per gallon at 25°C | lb. | 9.33 | |
| Specific gravity at 25°C | g/cm^3 | 1.12 | |
| Flash point (Setaflash) | °C | 196 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Hazen color value | ≤ 80 | ||
| Monomeric HDI | % | ≤ 0.70 | |
| NCO content | % | 22.5 - 23.5 | |
| Viscosity at 25°C | mPa∙s | 1300 - 3000 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
