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Physical properties of the water-reducible alkyd resin coatings.
| testing | alkyd resin number |
||||||
|---|---|---|---|---|---|---|---|
| AR 1 | AR 2 | AR 3 | AR 4 | AR 5 | AR 6 | AR-Re | |
| thickness (µm) | 20.8 | 20.3 | 20.0 | 21.1 | 26.6 | 22.0 | 21.3 |
| pencil hardness | HB | H | H | H | H | H | HB |
| adhesion | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| gloss (60°) | 90.3 | 87.0 | 95.5 | 89.5 | 90.1 | 89.5 | 89.3 |
| flexibility (mm) | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| impact test (cm) | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 |
