Subheadings 3
6813.20 Friction material and articles thereof (e.g. sheets, rolls, strips, segments, discs, washers, pads) not mounted; for brakes, clutches or the like, with a basis of asbestos 6813.81 Brake linings and pads; with a basis of mineral substances or cellulose (other than asbestos) 6813.89 Friction material and articles thereof (e.g. sheets, rolls, strips, segments, discs, washers, pads) not mounted; for clutches or the like (not brake linings and pads), with a basis of mineral substances or cellulose (other than asbestos)