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Master Bond adhesives

Covestro DESMODURE® N 3368A BA/SN Polyurethane
Categories: Polymer; Thermoset; Polyurethane, TS
Material Notes: Characterization: Desmodur N 3368A BA/SN is an aliphatic polyisocyanate (HDI trimer). It is suitable as the hardener component for lightfast polyurethane coating systems.

Properties / Applications: Desmodur N 3368A BA/SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur N 3368A BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. As with any product, use of Desmodur N 3368A BA/SN in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability.

Information provided by Covestro
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.06 g/cc1.06 g/cc
Volatiles 31 - 33 %31 - 33 %2.2 g / 120 min / 100°C
Viscosity 30 - 60 cP30 - 60 cP
 
Thermal PropertiesMetricEnglishComments
Flash Point 37.0 °C98.6 °F
 
Descriptive Properties
Color<40Hazen
Content<0.15Monomeric HDI
 14.5-15.1%NCO

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCOVEST0558 / 202341




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