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ASTM D1709-16a
- Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method
- standard by ASTM International, 05/01/2016
- Publisher: ASTM
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1.1 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.