Tensile Properties of Film - ASTM D882 Plastic Test Standard

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Tensile Properties of Film - ASTM D882

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Test specimens should have a width to thickness ratios of at least 8:1. Two sets of specimens are tested for anisotropic materials, the first set parallel to the direction of polymer orientation (MD - machine direction) and the second set perpendicular to the direction of polymer orientation (TD - transverse direction).

Polymer Orientation

Term	Definition
Elongation @ Break	Tensile elongation corresponding to the point of rupture.
Elongation @ Yield	Tensile elongation corresponding to the point of yield.
Tensile Strength @ Break	Tensile stress corresponding to the point of rupture.
Tensile Strength @ Yield	Tensile stress corresponding to point of yield.
Secant Modulus	Slope of a line drawn from the point of zero strain to a point on the stress strain curve at a specified strain.
Film Toughness	Energy per unit volume absorbed by a specimen up to the point of rupture during a tensile test. The area under the stress strain curve.

Similar Standards

ISO 527-1,-3

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