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Drop Impact Resistance - ASTM D4226
The energy required for 50% of tested specimens to fail by dropping an 8 lb weight onto an impactor resting on the specimen.
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. |
Impactor Configuration | Description | Diagram |
---|---|---|
C.125 | Conical impactor with 0.125 in radius and 20° cone angle. | |
H.25 | Hemispherical impactor with 0.25 in radius. |