... Needle shape brass fiber,brass wool high quality for brake friction material Brass fiber/Brass FibreFiber diameter: 90 ... , Aluminium woolsEquivalent Diameter 20~200 micronLength 1mm~150mmUsage: Brake disk, brake pad, electric conductive plasticThe fibers are processed from metal ... applied in frictional fields, such as automotive brake pads, disc brake, drum brake, clutch facing etc.Metal fibre in our ...