In various embodiments, the present application provides electrically conductive metal-plated fibers and continuous processes of preparing metal-plated fibers. Additionally, provided are polymeric articles comprising the provided metal-plated fibers or other fibers prepared by the provided process, said articles having electromagnetic interference shielding effectiveness.

A porous body containing a liquid crystal polymer powder that has liquid crystal polymer fibers, wherein an average size of the liquid crystal polymer fibers is 2 m or less, the porous body has an average pore size of 10 m or less as measured by mercury intrusion porosimetry, and the porous body has a tensile strength of 25 N/mm.sup.2 or more.