Covestro Desmodur® BL 1100/1 Polyurethane

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Covestro Desmodur® BL 1100/1 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Blocked aromatic polyisocyanate based on TDI. In combination with cycloaliphatic diamines such as Laromin® C 260 (BASF) to formulate highly flexible, one-component stoving coatings. Properties / Applications: Desmodur® BL 1100/1 is combined with Laromin® C 260 to formulate stoving coatings, including those for application by dipping and curtain coating, and adhesive cements. Combinations of Desmodur® BL 1100/1 and Laromin® C 260 with plasticisers can also be used as solvent-free, high-build coatings. Optimum film properties are produced by combining Desmodur® BL 1100/1 and Laromin® C 260 in the ratio 100 : 10 (by wt.). The mixing ratio was determined empirically. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.07 g/cc	1.07 g/cc	DIN EN ISO 2811
Viscosity	33000 - 53000 cP	33000 - 53000 cP	DIN EN ISO 3219/A.3

Thermal Properties	Metric	English	Comments
Flash Point	>= 150 °C	>= 302 °F	DIN EN 22 719

Descriptive Properties
Color	<150		Hazen, DIN EN 1557
Content	<0.2%		Free NCO content, DIN EN ISO 11 909 mod.
	3%		NCO content, blocked

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PCOVEST0326 / 202109

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