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Desmodur® N 3580 BA

Desmodur N 3580 BA is an aliphatic polyisocyanate (HDI allophanate trimer). The product is used in combination with Desmophen® grades for the formulation of lightfast, scratch-resistant polyurethane coatings systems.

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General Characterization

Desmodur N 3580 BA is an aliphatic polyisocyanate (HDI allophanate trimer).
The product is used in combination with Desmophen® grades for the formulation of lightfast, scratch-resistant polyurethane coatings systems.

Storage Conditions

Desmodur N 3580 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 0º-30ºC.

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Flash point °C 31.5
Density at 20^oC g/ml approx. 1.10
Equivalent weight approx. 273

Specifications

Property Name Test Method Unit Value
Non-volatile content (2.2 g/120 min/100^oC) % 80 ± 2
Color value (Hazen) ≤ 100
Monomeric HDI % < 0.20
NCO-content % 15.4 ± 0.3
Viscosity at 23^oC mPa•s 500 ± 200

Downloads

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

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