ASTM D3420 is a widely recognized standard used to determine the pendulum impact resistance of plastic film materials<\/em>. It simulates real-world impact conditions to assess a film’s toughness, particularly for applications in packaging, medical, and consumer goods. This guide explains how to conduct the test using a film pendulum impact tester<\/strong>, such as the Cell Instruments Model PIT-01<\/a><\/strong>, and provides insights into the Spencer impact test<\/strong>, procedures, calculations, and reporting methods.<\/p>\n\n\n\n