Desmophen® R-12

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General Characterization

Desmophen R-12 is a slightly branched, saturated, hydroxyl-bearing polyester resin.
Desmophen R-12 is a coreactant for Desmodur® L-type aromatic polyisocyanates in two-component polyurethane coatings.

Storage Conditions

Desmophen R-12 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product tends to separate after extended storage. After homogenization, the product can be used with no loss of quality. Recommended storage temperature is less than 30ºC.


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Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23ºC mPa∙s 14,000 ± 3,500
Hydroxyl value mg KOH/g 158 - 175
Acid value mg KOH/g ≤ 4
Water content % ≤ 0.1
Hazen color value ≤ 100

Property Name Test Method Unit Value
Turbidity NTU ≤ 3
Hydroxyl content % 5.0 ± 0.3
Appearance Slightly yellow liquid
Density at 20oC g/ml 1.1
Equivalent weight 337
Viscosity at 73oC mPa∙s 460 ± 190
Flash point °C 179
Non-volatile content 100


Technical Data Sheet
Safety Data Sheet
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