Choosing the right material for an Izod impact test specimen is important for accurate results. Common materials include plastics, metals, and composites, each offering different impact resistance. Factors like strength, brittleness, and test standards affect material selection. Plastics like PVC and Polycarbonate are used for flexible products, while metals like aluminum are tested for toughness. Following the correct material guidelines ensures reliable testing in manufacturing. Learn which materials work best for impact testing and how they affect test results