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Materials Testing

MECHANICAL TESTING

Izod Impact Resistance of Plastics - ASTM D256

ASTM D256 covers the determination of the resistance of plastics to "standardized" pendulum-type hammers, mounted in "standardized" machines, in breaking standard specimens with one pendulum swing. The standard test for ASTM D256 requires specimens to be made with a milled notch.

The excess energy pendulum impact test indicates the energy to break standard test specimens of specified size under stipulated parameters of specimen mounting, notching and pendulum velocity-at-impact.

Reference: ASTM D256 Standard Test Method for Determining the IZOD Pendulum Impact Resistance of Plastics.

Index of Mechanical Testing

ASTM D 256 ASTM D 256

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