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Tensile test on films and sheets—ISO 527-3

ISO 527-3, ASTM D882
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Brief explanation of tensile properties to ISO 527-3

Films and sheets with a thickness of up to 1 mm are tested using strips or dumbbell specimens. The typical specimen shape used in ISO 527-3 and ASTM D882 is a strip specimen. This specimen shape can be easily produced using a specimen or film cutter. Dumbbell specimens are often used in quality control. For this, a direct measurement extensometer is required to measure the specimen strain directly at the specimen.

Typical test results are characteristics such as

  • Yield stress
  • Yield strain
  • Maximum stress
  • Nominal strain at break

When testing strip specimens, the strain at break results depend on the specimen shape and the type of specimen gripping used. We recommend the use of parallel clamping specimen grips. The grip inserts should be arranged so there is linear contact between the jaw and the specimen.

Video: ISO 527-3, ISO 3386-1/2 - Testing of foam material and films

zwickiLine with two test areas for tensile and compression tests: Tensile test on film to DIN EN ISO 527-3 and compression test on foam material to DIN EN ISO 3386-1/2

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