PVDF finishes will meet the following performance criteria:
| Property | Result – Aluminum | Result – Steel | Test Designation | |
|---|---|---|---|---|
| 60° Specular Gloss: | 25-40 | 25-40 | ASTM D 523 | |
| Pencil Hardness: | HB-2H | HB-2H | ASTM D 3363 NCCA 11-12 | |
| Flexibilty: | T-Bend | 2-T (1) | 2-T (1) | ASTM D 4145, (NCCA 11-19) No cracking or tape removal of film |
| Mandrel | No cracking | No cracking | ASTM D 522 180 bend around 1/8″ mandrel | |
| Adhesion: | Impact | Acceptable (2) | Acceptable (2) | ASTM D 3359, (NCCA 11-5) |
| Reverse Impact | Acceptable (2) | Acceptable (2) | ASTM D 2794, (NCCA 11-6) | |
| Abrasion: | Falling Sand | 50 liters minimum | 50 liters minimum | ASTM D 968 |
| Transit | No disfigurement | No disfigurement | Method A | |
| Acid Pollutants: | No effect | No effect | ASTM D 1308, Proc. 6.2 10% Muriatic acid, 15 min. | |
| No effect | No effect | ASTM D 1308, Proc. 6.2 20% sulfuric acid, 18 hrs. | ||
| <5 u. color change Hunger ΔE units | <5 u. color change Hunger ΔE units | AAMA 2605, TEST # 7.7.3.3 70 nitric acid vapors, 30 min. | ||
| Acid Rain Test: | 10 cycles minimum No objectionable color change | 10 cycles minimum No objectionable color change | KESTERNICH Sulfur dioxide cyclic test | |
| Accelerated Tests: | ||||
| Weatherometer, 3000 hrs. exposure | Acceptable (3) | Acceptable (3) | ASTM D 822, G 155 Weatherometer | |
| Dew Cycle Weatherometer, 500 hrs. exposure | Acceptable (3) | Acceptable (3) | ASTM D 3361 | |
| Humidity, 100% relative humidity @ 95°F. | Passes 3000 hrs. (4) | Passes 3000 hrs. (4) | ASTM D 2247 | |
| Salt Spray, 5% salt fog @ 95°F. | Passes 3000 hrs. (5) | Passes 3000 hrs. (5) | ASTM B 117 (NCCA 111-2) | |
| Cyclic Salt Fog/UV Exposure Test | Passes 2016 hrs. (6) | Passes 2016 hrs. (6) | ASTM D 5894 |