 | The Izod impact test is a simple, quick test for a comparative material assessment. Among other things, it is used to investigate the effect of changed formulation, compounding or injection molding conditions on the test specimen. By varying the temperature and notch shape, different effects can be simulated. The use of notched test specimen is necessary in order to produce a break in ductile materials. The test is possible within a temperature range from –60 ºC to +23 ºC.
| Results of the test method: |
- Izod impact strength of an unnotched specimen aiU [KJ/m2]
- Izod impact strength of a notched speciman aiN [KJ/m2]
- incl. break assessment at corresponding temperature and where applicable a rubber-glass transition
Key to method:
Example: ISO 180/4 A R
Type of test piece:
Flat test piece with measurements l x b x h
Type of notch:
U = unnotched
A = notch with 0.25 mm radius
B = notch with 1.00 mm radius
Direction of impact:
R = notch on side facing away from hammer
R = reversed notch (notch on side facing away from hammer)
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