Elmendorf Tear Strength - ASTM D1922 Plastic Test Standard

Elmendorf Tear Strength - ASTM D1922

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The average force required to propagate tearing through a specified length of plastic film or nonrigid sheeting on an Elmendorf-type tear tester.

Rectangular Specimen

Constant Radius Specimen

Constant radius specimens are used for materials that do not tear in a straight line.

Test specimens have a pre-cut slit. Testing is performed using a knife-tipped pendulum. The average force is calculated from the pendulum energy lost while tearing the test specimen. Tear direction is either in the machine direction (MD) or transverse direction (TD).

MD and TD Specimens

Similar Standards

• ISO 6383-2

Property information for specific grades of resin are available in the Prospector.
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