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Desmophen® R-12

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About

Product Types

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Material

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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.

Sampling

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Packaging Type

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Technical Properties & Datasheets

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

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

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
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