Drop Impact Resistance - ASTM D4226
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The energy required for 50% of tested specimens to fail by dropping an 8 lb weight onto an impactor resting on the specimen.
Testing Procedures
| Procedure |
Description |
| A |
Used to determine the minimum energy required to cause failure of test specimen. |
| B |
Used to determine the minimum energy required to cause brittle failure. |
Impactors
| Impactor Configuration |
Description |
Diagram |
| C.125 |
Conical impactor with 0.125 in radius and 20° cone angle. |
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| H.25 |
Hemispherical impactor with 0.25 in radius. |
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