A deformed (commonly referred to as warped) furniture shelf often suggests the weight it has had to bear in use, but this is a half-truth.
Panels can warp before use and these deformations are also taken into account by technical standards.
In fact, the "UNI EN 14322:2021 Wood-based panels – Melamine boards for interior uses - Definition, requirements and classification" states a certain warping for wood-based panels with balanced faces and having thicknesses of more than 15 mm.
However,this parameter must also be compared with the requirements placed on the finished product.
The
question raised by this article is: will a panel with an initial deflection pass the bending test described in "
EN 16122 Domestic and non-domestic storage furniture - Test methods for the determination of strength, durability and stability"?
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