... braking;--High coefficient of friction and stability,--small heat fade for coefficient of friction,--Temperature insensitiveness,--Good strength;--No smoke, ... in high speed emergency braking condition, no pollution,--Used for the 0~120km/h underground train and inter-city ... all typical Brake Shoe,Brake Drum, Brake Disc, Wheel Hub, Flywheel for trucks of Benz, BPW, ROR, VOLVO, NISSAN, KIC, YORK, MAN ...