Abstract
The article presents the method of calculating the edge crush test (ECT) of honeycomb paperboard. Calculations were made on the basis of mechanical properties of paper raw materials used for the production of cellular paperboard and geometrical parameters describing cellular paperboard. The presented method allows ECT calculation of honeycomb paperboard in the main directions in the paperboard plane; i.e., machine direction (MD) and cross direction (CD). The proposed method was verified by comparing the results of calculations with the results of ECT measurements of paperboard with different geometrical parameters made of different fibrous materials.
Highlights
Honeycomb board is manufactured on the basis of fibrous materials, most often from coniferous trees
The proposed method allows one to calculate the edge crush test (ECT) of cellular paperboard both in machine and cross directions on the basis of the paperboard’s geometric parameters and the mechanical properties of materials used for its production
In the examined range of a/h values in each of the main directions in the board plane, the theoretically calculated values differed from real values by an average of 11% of the actual value, and the maximum difference that occurred in the cross direction was 24%
Summary
Honeycomb board is manufactured on the basis of fibrous materials, most often from coniferous trees. Honeycomb paper cores are used in many multilayer and packaging products and they successively replace this type of plastic or aluminium products due to the lower manufacturing cost and lower specific weight. This organic and biodegradable raw material is gaining great popularity in various industries. It is used as a fillings for doors, countertops, furniture boards, partition walls in construction, and sandwiched multilayer structures in the aviation and automotive industries [4,5,6,7]. The demand for lighter furniture elements is increasing, which is contributing to lower transport costs and easier assembly, alongside the reduction of formaldehyde emissions, which is an important issue in the modern world [9]
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