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Desmodur® N 3390 BA

Aliphatic polyisocyanate (HDI trimer).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

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

No data available

Packaging Type

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Flash point DIN 53 213/1 °C approx. 50
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 450
Density at 20 °C DIN EN ISO 2811 g/cm3 approx. 1.13
Equivalent weight approx. 214

Specifications

Property Name Test Method Unit Value
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s 500 ± 150
Non-volatile content (2.2 g / 120 min / 100 °C) DIN EN ISO 3251 % 90 ± 1
Monomeric HDI DIN EN ISO 10 283 % < 0.15
NCO content DIN EN ISO 11 909 % 19.6 ± 0.3
Color value (Hazen) DIN EN 1557 ≤ 40

Downloads

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

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