Plastics Technology Laboratories  
 

Initial Tear Resistance of Plastic Film and Sheeting

Tear Test ASTM D1004
ASTM D1004

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Scope:
Tear resistance measures the ultimate force required to tear film or sheet. It is often used for quality control checks or for material comparison where tear failures are possible.

Test Procedure:
The average thickness of the specimen is measured. The specimen is then placed in the grips of the testing machine and pulled at a rate of 2 in. per minute until rupture.

Specimen Size:
The specimen is die cut to the appropriate shape from a sheet. The shape of the specimen is designed to create a tear when the specimen is pulled in tension. Die C specimens are commonly used.

Data:
The resistance is measured in Newtons.

Equipment used at Plastics Technology Laboratories, Inc.:
Universal Tester
Air grips or Roller grips
die cutters


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**Please note that this test description is intentionally generic in nature and aimed at providing a descriptive summary to enhance test understanding. For more information please contact a Intertek PTL Technical Representative at . Due to copyright restrictions, we are not able to provide copies of standards. Standards can be obtained from appropriate standards authorities.

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