ASTM D4812
ASTM D4812 – Standard Test Method for Unnotched Cantilever Beam Impact Resistance of Plastics Description: Significance and Use 5.1 The pendulum-impact test indicates the energy to break standard test specimens of specified size under stipulated conditions of specimen mounting and pendulum velocity at impact. 5.2 The energy lost by the pendulum during the breakage of the specimen …


