... umFiber Length:1mm, 2.5mm, 3mm, 5mmUsage: break frictional material, conductive plasticMetallic Fiber/Metallic Wool/Steel Fiber/Alloy FiberCopper fibers, Aluminum ... 20~200 micronLength 1mm~150mmUsage: Brake disk, brake pad, electric conductive plasticThe fibers are processed from metal billet, which results in ...