The tearing strength of fabrics, papers, plastic films, or other similar materials in sheet form is determined by measurement of work done in tearing through a fixed length of the test specimen using the Elmendorf tear tester.
The GLOBE Elmendorf Tear Tester consists of a brass sector pendulum pivoted on low-friction ball bearings over a vertical bracket fixed on a rigid metallic base. The test specimen, in shape of a rectangle, is held between two clamps, one of which is mounted on the pendulum and the other is mounted on the vertical bracket. The clamps are mounted in such a manner that their holding faces are aligned with each other when the pendulum is locked in its raised position. The pendulum is released by lifting a release lever. This action causes the pendulum to fall down under its weight and to tear the test specimen while doing so. The energy absorbed during tearing is indicated on a scale fitted on the pendulum by a low friction pointer pivoted on the axis of the pendulum.
Technical details
|
Instrument Dimension |
400 x 210 x 390 mm |
|
Brand |
Globe Enterprises |
|
Frequency |
50 Hz |
|
Voltage |
220 V |
|
Sample Dimension |
100 x 63 mm |
|
Power Source |
Electric |

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