Desmophen® R-221-75
Desmophen R-221-75 is a saturated polyester resin supplied in propylene glycol monomethyl ether acetate (PMA).
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About
Product Types
No data available
Material
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General Characterization
Desmophen R-221-75 is a saturated polyester resin supplied in propylene glycol monomethyl ether acetate (PMA).
Storage Conditions
Desmophen R-221-75 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Recommended storage temperature is 0º-50ºC.
Sampling
No data available
Packaging Type
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Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Weight per gallon at 25°C | lb. | 9.2 | |
| Flash point (Setaflash) | °C | 52 | |
| Equivalent weight avg. (as supplied) | 522 | ||
| Specific gravity at 25ºC | 1.10 | ||
| Appearance | Clear yellow liquid | ||
| OH content | % | 3.3 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Viscosity at 25ºC | mPa∙s | 3,000 - 11,000 | |
| Hydroxyl value | mg KOH/g | 90 - 125 | |
| Non-volatile content | % | 75 ± 3 | |
| Acid value | mg KOH/g | ≤ 9.0 | |
| Color (Gardner) | ≤ 3.0 | ||
| Water content | % | ≤ 0.20 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
