Properties of the top layer prepared by the two-stage curing process: precuring at 120°C for 1 h followed by final curing at 160°C for 30 min
| Properties | ECO:DDSA ratio 1:1.5; 3% BV-Cat 7 |
|---|---|
| König hardness (s) | 12 |
| Thickness (µm) | 220 ± 3.85 |
| Cross-hatch adhesion | 5B |
| Pencil hardness | 7B |
| Reverse impact (in•lb) | >168.56 |
| Conical mandrel bend | PASS |
| MEK DR | 200 |
| Properties | ECO:DDSA ratio 1:1.5; 3% BV-Cat 7 |
|---|---|
| König hardness (s) | 12 |
| Thickness (µm) | 220 ± 3.85 |
| Cross-hatch adhesion | 5B |
| Pencil hardness | 7B |
| Reverse impact (in•lb) | >168.56 |
| Conical mandrel bend | |
| 200 |
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