ASTM D1709
Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method
These test methods cover the determination of the energy that causes plastic film to fail under specified conditions of impact of a free-falling dart. This energy is expressed in terms of the weight (mass) of the missile falling from a specified height which would result in 50 % failure of specimens tested.
Products

Rycolab Falling dart impact tester | RL-FDT-A
Falling dart impact tester can test the resistance performance of plastic films, sheets, and composite films, foils, paper...

Free-Falling Dart drop tester - ASTM D1709
The Dart Drop Impact Tester is an easy-to-use, ergonomically designed instrument used to measure the impact resistance of...