York Testing Solutions


Emendorf Tearing Strength Tester


Application Standards

ASTM D1424, ASTM D1922, ASTM D689, ISO 1974, ISO 6383, GB/T 455,GB/T 16578.2, TAPPI T414


The Elmendorf Tearing Tester is a specialized instrument designed to measure the tear resistance of materials, particularly paper, textiles, plastics, and other sheet materials. Named after its inventor, the device uses a pendulum method to simulate the tearing process. The tester consists of a pendulum that is released to tear a pre-cut sample, with the energy required to propagate the tear being measured and displayed. This instrument is essential in assessing the durability and quality of materials that undergo frequent handling or stress. It provides precise, repeatable results, making it a standard tool in quality control labs across various industries. The Elmendorf Tearing Tester is robustly constructed, ensuring reliable performance and longevity, and it often includes features like digital displays, variable pendulum weights, and automated clamping mechanisms to enhance ease of use and accuracy.


  • Paper and Packaging Industry: Evaluates the tear resistance of paper, cardboard, and packaging materials to ensure durability during handling and transport.
  • Textile Industry: Measures the tear strength of fabrics and non-woven materials to assess their suitability for clothing, upholstery, and industrial applications.
  • Plastic Film Manufacturing: Tests the tear resistance of plastic films and sheets used in packaging, agriculture, and construction.
  • Quality Control Laboratories: Used to verify the tear resistance of various materials to maintain consistent product standards.
  • Research and Development: Assists in the development of new materials with enhanced tear resistance properties.
  • Automotive Industry: Tests materials used in car interiors and exteriors to ensure they can withstand wear and tear.
  • Construction: Measures the tear strength of construction materials like roofing membranes and insulation to ensure reliability.
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