ASTM D1424

Application Materials

ASTM D1424 is primarily applied to textiles. It is used to assess the tear resistance of woven fabrics, nonwoven fabrics, and other textile materials.

Test Process

  1. Preparation: Cut samples to the specified dimensions, ensuring they are free from wrinkles and folds.
  2. Mounting: Secure the sample in the testing machine, ensuring proper alignment.
  3. Tearing: A controlled force is applied to tear the sample. The force required to propagate the tear is measured.
  4. Recording: The tearing force is recorded in Newtons (N) or grams-force (gf).

Test Result Interpretation

The test result is the force required to continue tearing the fabric once an initial cut is made. Higher tear resistance indicates stronger material. Results are typically presented as an average of multiple tests.

Test Significance

This test is significant because it evaluates the durability and strength of textile materials. It helps manufacturers ensure their products meet required standards for durability and can withstand mechanical stress during use.

Instrument Requirements

ASTM D1424 Fabrics Tear Tester
ASTM D1424 Fabrics Tear Tester
  • Tearing Tester: Equipment capable of applying a controlled force and recording the tearing force accurately. (Elmendorf-Type)
  • Clamps: To securely hold the sample without slippage.
  • Calibration: Instruments must be calibrated to ensure accuracy.


  • Sample Preparation: Ensure samples are cut precisely to avoid errors in the test.
  • Machine Alignment: Proper alignment is crucial to obtain accurate results.
  • Environmental Conditions: Conduct tests in controlled environments to minimize the influence of temperature and humidity.

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