Dart Impact Tester
Dart Impact Tester is used for determination of energy that causes polyethylene film to fall under specified condition of impact of a free falling dart. The test method is as per ASTM D 1709 - 75 & IS 2508 - 1977.
In the falling dart method a dart is subjected to a free fall on to a piece of plastic film under test from a specified height. The dart is allowed to fall at centre of a specified unsupported portion of a stretched film clamped tightly all around. Additional weights of darts are provided to facilitate increase of Dart weight in steps of 5 gm. Two types of darts are provided to carry test A & B. The equipment is provided with a vacuum pump for slip free clamping of films.
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| Notch Cutter (Hand operated) |
Melt Flow Index |
Impact Tester (Izod & Charpy) analogue |
Dart Impact Tester |
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Co-Efficient of Friction Tester
(Inclined Plane) |
Environmental Stress Crack
Resistance Apparatus |
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