The advanced Digital Elmendorf Tear Tester is primarily utilized for measuring the tear resistance of paper and film. It is computer-controlled for automatic operation, ensuring independent testing with minimal operator influence. This tester is suitable for assessing the tear resistance of various materials including film, PVC, polyolefin, polyester, composite film, sheet, non-woven fabric, textile, paper, cardboard, and more, following the Elmendorf Tear Test method.
This testing method is valuable for comparing the relative tearing resistance of different plastic films and thin sheets with similar thickness. It's been observed that this test is most reliable for films and sheeting with lower extensibility. Films with variable elongation and oblique tearing effects, particularly those with higher extensibility, may not yield precise results, making it unsuitable for precise production control in such cases. Therefore, it's recommended to use this test method for specification acceptance testing only after ensuring the reproducibility of data for the specific material. Similarly, for service evaluation, it's advised to demonstrate its usefulness for the particular application using various films.
This test method has been widely adopted as an indicator of tearing resistance for plastic films and thin sheeting used in packaging. While it may not always correlate directly with other mechanical or toughness properties of the film, the apparatus used in this method provides a controlled environment for tearing specimens at rates similar to those encountered in real packaging scenarios.
This test method, utilizing a falling pendulum-type apparatus, is commonly employed in the industry for assessing the tearing strength of fabrics during the acceptance testing of commercial shipments.
This test method is extensively utilized in the paper industry alongside other strength tests to forecast the end-use performance of various grades of papers.
|Initial tearing angle
within ±0.5% in 20%-90% of max range
0.2-0.4Mpa (supplied by user)
|Gas supply port
Φ6mm polyurethane pipe
440mm x400mm x 650mm
AC220V 50Hz (Also available 110V)
3*0.75 10A 1.8M
110, 220, 440, 880, 1730, 3470
|Software flash disk