CORE, PANEL BLANK, FLOOR PANEL AND METHODS OF THEIR PRODUCTION

摘要

The present document discloses a core for inclusion in a building panel 1". The core presents a pair of substantially parallel major surfaces, and comprises a plurality of first material blocks 10', extending between said major surfaces and arranged with their respective principal directions substantially parallel with said major surfaces and extend 90° ± 45° to a principal direction of the core; and a plurality of second material blocks 11', extending between said major surfaces and being arranged alternatingly with said first material blocks along the principal direction of the core. The first material blocks and said second material blocks differ substantially with respect to at least one material property.