1.1 This part of ISO 179 specifies a method for determining the Charpy impact strength of plastics under
defined conditions. A number of different types of specimen and test configurations are defined. Different test
parameters are specified according to the type of material, the type of test specimen and the type of notch.
1.2 The method can be used to investigate the behaviour of specified types of specimen under the impact
conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent
in the test conditions. It can also be used for the determination of comparative data from similar types of
material.
1.3 The method has a greater range of applicability than that given in ISO 180[1] and is more suitable for
the testing of materials showing interlaminar shear fracture or of materials exhibiting surface effects due to
environmental factors.
BS EN ISO 179-1:2010 history
1970BS EN ISO 179-1:2023 Plastics. Determination of Charpy impact properties Non-instrumented impact test (British Standard)
2010BS EN ISO 179-1:2010 Plastics - Determination of Charpy impact properties - Non-instrumented impact test
2001BS EN ISO 179-1:2001 Plastics - Determination of Charpy impact properties - Non-instrumented impact test