1.1 This test method covers the determination of puncture properties of plastic films, over a range of test velocities.1.2 Test data obtained by this test method is relevant and appropriate for use in engineering design.1.3 The values stated in SI units are to be regarded as standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safet