Dart Drop Impact - ASTM D1709
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The weight required to cause 50% of tested films to failure by impact from a falling dart under specified test conditions. Since impact values are not directly related to specimen thickness, data comparison can only be made between specimens whose thickness differs by up to 25%.
Dart
Dart Drop Testing Methods
| Method |
Dart Head Diameter |
Drop Height |
| A |
38 mm (1.5 in) |
0.66 m (26 in) |
| B |
51 mm (2 in) |
1.52 m (60 in) |
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