The Izod Test in the Class J – Charpy and Izod Automatic Impact Testing System follows the following standards and angles of striking:

• Standard: ISO 180, ASTM D256
• Angle of striking: 150° (ISO 180), 145.2° (ASTM D256)

The ISO 180 standard specifies the test method for plastic impact strength determination using the Izod test. In this test, the striking angle is set at 150°, which refers to the angle at which the pendulum strikes the specimen.

Similarly, the ASTM D256 standard also describes the test method for determining plastic impact resistance using the Izod test. However, in this case, the striking angle is slightly different, namely 145.2°.

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