The Corrugating Medium Test

The Corrugating medium test provides information about the behavior of a corrugated paper after it has been formed in a fluter. A section of corrugated paper is glued one-sided, to a carrier paper and then loaded in compression. The maximum load characterizes the behavior of the paper during the converting processing steps (punching, printing) after board production. A disadvantage of this method is that only the A-corrugation is tested.  

For other types of corrugations, the behavior in compression mode must be mathematically calculated.  

In addition, this method takes a lot of time and requires much skill in making the specimen. For these reasons, Zwick-fluters are delivered which include a „third hand". With its help, a specimen can be easily and quickly prepared.  

ISO 7263 and TAPPI T 809 are standards for this test.