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For checking the impact failure weight of films & sheeting by the falling-weight method, as per ASTM D1709 and IS 2508.
The Dart Impact Tester is designed to check the impact failure weight of plastic films and sheeting by the falling-weight impact method, as per ASTM D1709 and IS 2508. Impact resistance is one of the most important properties of packaging film — it shows how well the film survives drops, knocks and handling during filling, transport and use.
In the test, a dart of known weight is released from a set height onto a film specimen held flat across an opening; by adjusting the weight in steps, the operator finds the weight at which the film just fails, which is reported as the impact failure weight. The dart is released by an electromagnetic mechanism for a clean, repeatable drop, and the film is held by vacuum from a single-stage oil vacuum pump. The unit is supplied with two darts and a weight set from 5 g to 500 g for incremental loading.
| Standards | As per ASTM D1709 and IS 2508 (impact failure weight of films & sheeting by falling-weight method) |
|---|---|
| Dart | 2 nos. |
| Release Mechanism | Electromagnetic |
| Vacuum Creation | Single-stage oil vacuum pump |
| Weights | A set of weights ranging from 5 grams to 500 grams for incremental loads |
| Paint | Powder coated |
| Power | 230 Volts, 50 Hz, single phase |
Tell us your film type and the standard you test to — our engineers will help you configure the right dart and weight set.
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