Covestro DESMODURE® PL 340 BA/SN Polyurethane

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Covestro DESMODURE® PL 340 BA/SN Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Characterization: Blocked aliphatic polyisocyanate based on IPDI. In combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. Properties / Applications: Desmodur® PL 340 can be combined with suitable, preferably flexible, Desmophen® grades to formulate one-component polyurethane stoving coatings which are lightfast and resistant to weathering and chemicals and highly resistant to thermal yellowing. These coatings are used for original automotive topcoats. Compared with polyisocyanates blocked with butanone oxime, Desmodur® PL 340 allows a reduction in stoving temperature of approx. 10 °C, with no decrease in solvent and chemical resistance. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.03 g/cc	DIN 51 757
Volatiles	38 - 42 %	0.2 g / 60 min / 125°C; DIN EN ISO 3251
Viscosity	550 - 650 cP	DIN EN ISO 3219/A.3

Thermal Properties	Original Value	Comments
Flash Point	38.0 °C	DIN EN ISO 13 736

Descriptive Properties
Color	<100	DIN EN 1557
Content	0.073	Blocked NCO

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PCOVEST0565 / 202348

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