In accordance with the ISO 9854.1 standard, the radius of the striker edge on the Class J – Charpy and Izod Automatic Impact Testing System for the Charpy Test of plastic pipes according to this standard is 3.17±0.12mm. As the name implies, this parameter refers to the curvature of the striking edge of the striker that was used in the test. It is the precise radius specification that assures accurate and consistent results by maintaining the intended impact conditions during the testing process.

As part of the impact testing process, the striker edge radius plays a crucial role in determining how much energy is absorbed by the plastic pipe and how it fractures under impact. By adhering to the specified radius, the testing system can effectively evaluate the impact resistance and mechanical properties of plastic pipes according to the ISO 9854.1 standard.

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