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Desmodur® N 75 BA

Aliphatic polyisocyanate (HDI biuret). As the hardener component for lightfast polyurethane coating systems.

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Product Types

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Material

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General Characterization

Desmodur N 75 BA is an aliphatic polyisocyanate (HDI biuret).

Storage Conditions

Desmodur N 75 BA polyisocyanate should be stored in tightly sealed containers and protected from heat, moisture, and foreign materials. Recommended storage temperature is between 5° and 25°C. Storage at higher temperatures will result in an increase of color and viscosity.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Viscosity at 25°C approx. 140
Density @ 20°C g/ml approx. 1.07
Equivalent weight approx. 255
Flash point °C approx. 35

Specifications

Property Name Test Method Unit Value
NCO content % 16.5 ± 0.3
Non-volatile content (2.2g/120 min/100°C) % 75 ± 1
Hazen color value ≤ 40
Monomeric HDI % < 0.5
Viscosity @ 23°C mPa∙s 160 ± 50

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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