A kind of frictional composites for vehicle brake is developed with better tribological properties based on phenolicresin with ceramic, organic and metallic fibers compound reinforcement.
利用陶瓷、有机、金属纤维混杂增强酚醛树脂，研制开发了一种汽车用新型树脂基制动复合材料。
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The effect of the modified phenolicresin GLR-20 replacing resorcinol on the properties of NR compound was investigated by using imported B-20-S as control.