Coatings

Desmodur® ultra N 3390 BA

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

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About

Product Types

PIC
Crosslinkers
Hardeners
Aliphatic polyisocyanate
Isocyanate
Polyisocyanurate
Polyisocyanate

Material

Coatings: Ultra-low monomer, Thermally resistant, Low viscous, Solventborne, Weather resistant

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

No data available

Technical Properties & Datasheets

Characteristics

Property Name	Test Method	Unit	Value
Color value (Hazen)	M017-EN 1557		≤ 40
Viscosity at 23 °C	M014-ISO 3219/A.3	mPa*s	500 ± 150
NCO content	M105-ISO 11909	%	19.6 ± 0.3
Monomeric HDI	M106-ISO 10283	%	< 0.10
Non-volatile content (2.2 g / 120 min / 100 °C)	M020-ISO 3251	%	90 ± 1

Specifications

Property Name	Test Method	Unit	Value
Viscosity at 25 °C	M014-ISO 3219/A.3	mPa*s	approx. 450
Equivalent weight			approx. 214
Density at 20 °C	DIN 53217	g/ml	approx. 1.13
Flash point	DIN 53213	°C	approx. 50

Downloads

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

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