shearing strength
1. The shear force required to produce failure in
a paper or board. The shear force is the internal
force causing two contiguous parts of a body to
slide relative to each other in a direction
parallel to their plane of contact. 2. The
relative resistance of an adhesive film to a
stress in such a manner that the adherend surfaces
slide in a plane parallel to their plane of
contact. (17 , 222 )