ISO 7765-1:1988 Preview
Plastics film and sheeting -- Determination of impact resistance by the free-falling dart method -- Part 1: Staircase methods
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
Specifies methods for the determination of the energy, that causes plastics films and sheet less than 1 mm in thickness to fail under specified conditions of impact of a free falling dart from a specified height, tha would result in failure of 50 % of the specimes tested. Two methods are described. Method A employs a dart with 38 mm diameter hemispherical head, dropped from a height of 0,66 m, and method B employs a dart with a 50 mm diameter hemispherical head dropped from a height of 1,50 m. The measurement technique is the stairecase method.