Capa® PROTX 3224 by Ingevity is a low molecular weight trifunctional caprolactone polyol, in which all of the hydroxyl groups are primary. It improves appearance and lightfastness in two component (2K) coatings.
- It is designed for use in surface coatings as well as the main polyol in very hard polyurethanes.
- When blended with other resins, the aliphatic backbones of Capa polymers support an increase in gloss and resistance to discoloration over time.
- Capa® PROTX 3224 is also used as a chain extender in polyurethane elastomers.
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Capa® PROTX 3224 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Color, APHA | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Functionality | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hydroxyl Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility Parameter | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Content | 0.0 Visible After Login | Visible After Login | Visible After Login |