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The Use of MD Shear Stiffness by the Torsional Stiffness Technique to Predict Corrugated Board Properties and Box Performance

Appita Journal: Journal of the Technical Association of the Australian and New Zealand Pulp and Paper Industry
Volume 60 Issue 5 (Sept 2007)

Abstract: The machine direction (MD) torsional stiffness technique to measure the MD shear stiffness of corrugated board (torsional stiffness=shear stiffness) was introduced to the Australasian industry at the 2006 Appita Conference (1). This paper discusses results using the new method on corrugated board, pre and post box manufacture and at different levels of purposely crush-damaged corrugated board. The results are compared to data from other traditional board testing methods. It was found that on board blanks subjected to a crush damage, the ECT value was 91% of the value of uncrushed board, the BCT was 87%, the MD torsional stiffness was 55% and the final cyclic humidity box performance was 59% of the uncrushed value.

To cite this article: Chalmers, Ian R. The Use of MD Shear Stiffness by the Torsional Stiffness Technique to Predict Corrugated Board Properties and Box Performance [online]. Appita Journal: Journal of the Technical Association of the Australian and New Zealand Pulp and Paper Industry, Vol. 60, No. 5, Sept 2007: 357-361. Availability: <http://search.informit.com.au/documentSummary;dn=732573304734895;res=IELENG> ISSN: 1038-6807. [cited 24 May 17].

Personal Author: Chalmers, Ian R; Source: Appita Journal: Journal of the Technical Association of the Australian and New Zealand Pulp and Paper Industry, Vol. 60, No. 5, Sept 2007: 357-361 DOI: Document Type: Journal Article ISSN: 1038-6807 Subject: Corrugated paperboard--Testing; Shear (Mechanics); Paper--Moisture; Wood--Creep; Corrugated paperboard--Defects; Affiliation: (1) Senior Scientist, Ensis Papro, Private Bag 3020, Rotorua, New Zealand

Database: Engineering Collection