... , 3mm, 5mmUsage: break frictional material, conductive plasticMetallic Fiber/Metallic Wool/Steel Fiber/Alloy FiberCopper fibers, Aluminum fibers, Nickel fibers, Stainless ... sides to increase overall surface area for a given fiber diameter rating. Depending on the application, the increase ... and many other USES, such as using FeCr alloy fiber felt burner, you can obtain the most effective area, in ...