What Is A Quasi Isotropic Laminate?

What Is A Quasi Isotropic Laminate? Quasi-isotropic laminates are made when the orientations of the plies are balanced so that the extensional stiffness of the laminate is the same in each in-plane direction. … However, if each layer is oriented at the same angle from its original orientation (for example, +60o), the laminate remains isotropic.