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Tensile Testing Machine per ASTM D5459 – 95(2012)

ASTM D5459 – 95(2012)

Standard Test Method for Machine Direction Elastic Recovery and Permanent Deformation and Stress Retention of Stretch Wrap Film

Elastic recovery is related to the ability of a package to resume its original shape after being distended during its use cycle.

Elastic recovery also relates to the tightness or snugness of a package.

Stress retention is related to the tightness or snugness of a package.

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