... 30,000-50,000km life 1.Brake lining asbestos Material:Adopt the newest environment friendly material: asbestos, NAO,copper base,semimetal,carbon ... base non-asbestos,ceramic,ect.2.Advantage:1) ... .12Impact Force(J/cm2)≥0.300.463. Application: Heavy Duty Truck ,Train,Bus,Automobile,petroleum drilling machine4.Hundreds of ...