Desmodur® ultra L 75

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General Characterization

Desmodur ultra L 75 is an aromatic polyisocyanate based on toluene diisocyanate.
It is suitable for use in combination with various Desmophen®, Baycoll®, Desmocoll® grades or other hydroxyl-bearing substances to formulate two-component polyurethane coatings and adhesives.

Storage Conditions

Desmodur ultra L 75 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.


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Technical Properties & Datasheets

Property Name Test Method Unit Value
NCO content % 13.3 ± 0.4
Non-volatile content (0.2 g / 120 min. / 120^oC) % 75.0 ± 2.0
Viscosity at 23^oC mPa∙s 1,600 ± 600
Iodine color value ≤ 2
Monomeric TDI % < 0.10

Property Name Test Method Unit Value
Density at 20^oC g/ml approx. 1.17
Equivalent weight approx. 315
Flash point °C approx. 5


Technical Data Sheet
Safety Data Sheet
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