Test Method A employs a dart with a 38.10±0.13mm (1.500±0.005in) diameter hemispherical head dropped a height of 0.66±0.01m (26.0±0.3in） This test method can be used of films whose impact resistances require masses of about 50g or less to about 6kg to fracture them.
Test Method B employs a dart with a 50.80±0.13mm (2.000±0.005in) diameter hemispherical head dropped a height of 1.52±0.03m (60.0±0.25, -1.70in). Its range of applicability is from about 0.3kg to about 6kg.
GS-P05 Dart Drop Impact Tester
YouTube Video: https://www.youtube.com/watch?v=CKSVLMe5Tes
More Information: https://www.greatsafe.com.hk/product-page/dart-drop-impact-tester