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