Desmodur® N 75A BA
Aliphatic polyisocyanate (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 75A BA is an aliphatic polyisocyanate (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 75A BA 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. 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 |
|---|---|---|---|
| Flash point | °C | approx. 35 | |
| Density at 20^oC | g/ml | approx. 1.07 | |
| Equivalent weight | approx. 255 | ||
| Viscosity at 23°C | mPa∙s | approx. 160 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Monomeric HDI | % | ≤ 0.5 | |
| Non-volatile content (0.1 g / 60 min / 105^oC) | % | 75 ± 1 | |
| Hazen color value | ≤ 60 | ||
| Viscosity at 25°C | mPa∙s | 150 ± 60 | |
| NCO content | % | 16.5 ± 0.3 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
