Alcure® 4431 by Polynt is a polymeric aliphatic isocyanate hardener based on H12MDI and blocked with e-caprolactam. It is specially designed to yield coatings with significantly better overbake and UV yellowing resistance. When formulated in coating powders, Alcure® 4431 yield a coating with excellent flow, good chemical resistance and good overall physical properties.
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Alcure® 4431 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Glass Transition Temperature (Tg) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Isocyanate Equivalent Weight | 0.0 Visible After Login | Visible After Login | Visible After Login |