Covestro DESMODURE® N 3800 Polyurethane

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Covestro DESMODURE® N 3800 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Characterization: Aliphatic polyisocyanate (flexibilizing HDI trimer). As the hardener component for lightfast polyurethane coating systems. Properties / Applications: Desmodur® N 3800 is used primarily as a hardener component for lightfast, two-component polyurethane coating systems with high chemical resistance and weather stability, very good gloss retention and outstanding mechanical properties. Preferred combination partners are polyacrylate or polyester polyols. The primary field of application for coating systems based on Desmodur® N 3800 are air and heat-drying automotive OEM, automotive refinishing and transportation coatings, as well as industrial coatings and coatings for plastics. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.12 g/cc	1.12 g/cc	DIN EN ISO 2811
Viscosity	4800 - 7200 cP	4800 - 7200 cP	DIN EN ISO 3219/A.3

Thermal Properties	Metric	English	Comments
Flash Point	235 °C	455 °F	DIN 22 719

Descriptive Properties
Color	<80		Hazen, M017-EN 1557
Content	<0.25%		Monomeric HDI, M106-IOS 10283
	10.5-11.5%		NCO, M105--ISO 11909

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PCOVEST0563 / 202346

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