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Desmodur® N 3580 BA

Aliphatic polyisocyanate (HDI allophanate trimer). In combination with Desmophen® grades for the formulation of lightfast, scratch-resistant polyurethane coatings systems.

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Product Types

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Material

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General Characterization

Aliphatic polyisocyanate (HDI allophanate trimer).
In combination with Desmophen® grades for the formulation of lightfast, scratch-resistant polyurethane coatings systems.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 0 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
Hazen color value M017-EN 1557 ≤ 100
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 500 ± 200
Monomeric HDI M106-ISO 10283 % < 0.20
Non-volatile content (2.2 g/120 min/100 °C) M020-ISO 3251 % 80 ± 2
NCO content M105-ISO 11909 % 15.4 ± 0.3

Property Name Test Method Unit Value
Equivalent weight approx. 273
Flash point DIN EN ISO 13 736 °C 31.5
Density at 20 °C DIN 51 757 g/ml approx. 1.10

Downloads

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