Reference number
ISO 13821:2020
© ISO 2026
International Standard
ISO 13821:2020
Corrugated fibreboard — Determination of edgewise crush resistance — Waxed edge method
Edition 2
2020-06
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Published (Edition 2, 2020)
This publication was last reviewed and confirmed in 2025. Therefore this version remains current.

ISO 13821:2020

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Abstract

This document specifies a method for the determination of the edgewise crush resistance of corrugated fibreboard. The force is applied in the direction of the flute axis.

This method is applicable to single-wall (double-faced), double-wall, and triple-wall corrugated fibreboard. It may also be used to test samples taken from corrugated cases and other converted products.

While the method is applicable to waxed corrugated fibreboard, care must be taken that the heat used in the waxing step does not affect the corrugated structure. This is controlled by observing that failure during the test still occurs away from the loaded edges.

General information

  • Status
     : Published
    Publication date
     : 2020-06
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 6/SC 2
    ICS :
    85.060 
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