Covestro Desmodur® BL 3475 BA/SN Polyurethane

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Covestro Desmodur® BL 3475 BA/SN Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Diethyl malonate blocked, aliphatic polyisocyanate based on HDI / IPDI. In combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings; as an additive in conventional stoving coating systems to improve the reactivity, flexibility and adhesion. Properties / Applications; Desmodur® BL 3475 BA/SN is combined with polyols to formulate reactive, light-fast and weather-stable one-pack polyurethane stoving coatings. The main applications are in high-grade industrial finishes (can-/coil-coatings, etc.) and in primer surfacers for automotive OEM. Desmodur® BL 3475 BA/SN can also be used as an additive in conventional stoving systems to improve the reactivity, flexibility and adhesion. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.10 g/cc	DIN EN ISO 2811
Viscosity	700 - 1300 cP	DIN EN ISO 3219/A.3

Thermal Properties	Original Value	Comments
Flash Point	41.0 °C	DIN 53 513/1

Descriptive Properties
Color	<4	Iod, DIN EN 1557
Content	8.2%	NCO content, blocked

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PCOVEST0330 / 202113

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