... shape brass fiber,brass wool high quality for brake friction material Brass fiber/Brass FibreFiber diameter: 90 um, 100 ... Length:1mm, 2.5mm, 3mm, 5mmUsage: break frictional material, conductive plasticMetallic Fiber/Metallic Wool/Steel Fiber/Alloy FiberCopper ... characters of perfect properties of heat transfer and friction assures stable friction, lower noise, anti-vibration and comfortable; Therefore ...