Study on Manufacturing High-powered Brake Block with Cashew Nut Oil Modified PF ResinsZENG Xian-you,MOU Shan-bin, HUANG Chou,ZHAO Xuan (School of Sciences, Wuhan University of Technology,Wuhan 430 070,China)A new material was developed after studying and filtering cashew nut oil modifie d PF resins and the powder of nitrile-butadiene rubber, which can be used for m anufacturing high-powered camion brake block lining. This material was good bec a use of its low abrasion and high anti-shock strength. It moderated degree of ha rdness and friction coefficient and it was heat resisted. The analysis by using electronic microscope showed that cashew nut oil and the powder of nitrile-but adiene rubber could improve the affinity of organic and inorganic materials and dispersion particles in the material of camion brake band lining. Therefore, the sample had a slight heat decomposition, heat fading, and heat cracking. The fri ctional capacity and mechanical character of this material had been improved. Be sides, it excluded the closed-refining system in the manufacturing process, whi ch needs high investment and high-energy wastage, to reduce the investment and cost.powder of nitrile-butadiene rubber; cashew nut oil modified PF resins; brake-block