These tungsten carbide knives are used for corrugating container board in the production line.Those TC knife with OD fromΦ30 toΦ350 are widely used in paper-making, package, printing, non-ferrous metal processing industries.ThoseTC knife are widely used in the cutting of following materials, such as: Electronic circuit board, asbestos tile, as well as leather, paper, plastic film, rubber, and others in printing, package, textile, tobacco, non ferrous foil.