Home > Falling Dart impact tester available from IDM Instruments

Falling Dart impact tester available from IDM Instruments

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article image The falling dart impact tester

The Falling Dart impact tester, available from IDM Instruments , covers the determination of the energy that causes polyethylene film to fail under specified conditions, with the impact of a free-falling dart. This energy is expressed in terms of weight (mass) of the dart falling from a specified height that would result in 50% failure of the specimens tested.

The Falling Dart impact tester is manufactured with reference to international standards that include ASTM D 1709, AS/NZS 4347.6 and ISO 7765-1. The two standard test methods achieved with the falling dart impact tester are:

Test Method A: uses a dart with a 38.0 ±1 mm diameter hemispherical head dropped from a height of 0.66 ± 0.01m. This method is used for films whose impact resistances require masses of about 50 g to 2 kg to fracture them.

Test Method B: uses a dart with a 50.0 ±1 mm diameter hemispherical head dropped from a height of 1.50 ± 0.03m. This method is used for films whose impact resistances require masses of about 0.3 kg to 2 kg to fracture them.

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