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Facilities

Zwick tensile tester

Zwick tensile tester

A new Zwick tensile machine, owned by the Centre of Competence Paper and Board, is recently installed at Wageningen UR Paper and Board. The following properties can be measured:

  • Tensile strength (also in z-direction)

  • Bending stiffness (2-point and 3-point)

  • Compression strength (FCT, SCT)

  • Wet web strength

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  • Puncture test

  • Creasibility test

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The tensile tester is equipped with a climate chamber, which makes it possible to perform measurements from -40 to 190 °C, and at a relative humidity between 10 and 95% (within a temperature range of -20 to 60 °C). Furthermore, it has a non-contact optical extensiometer, and grooved specimens can be made for e.g. creasability studies.