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Desmodur® N 3300

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. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product.

Sampling

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Packaging Type

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Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO content DIN EN ISO 11 909 % 21.8 ± 0.3
Color value (Hazen) DIN EN 1557 ≤ 40
Viscosity at 23 °C DIN EN ISO 3219/A.3 mPa*s 3,000 ± 750
Monomeric HDI DIN EN ISO 10 283 % < 0.15

Property Name Test Method Unit Value
Flash point DIN 22 719 °C approx. 228
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.16
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 2,500
Equivalent weight approx. 193

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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