Tear Resistance ASTM D1004

Tear Resistance ASTM D1004

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.
 
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