Slotted Razor / Slitter Blades Products like: Tungsten carbide slotted square thin blades for converting film, foil, tape, etc., Tungsten Carbide Slotted Razor Slitting Blades for cutting crash papers, film, tape, non-wovens, etc., etc. Tungsten carbide slotted square thin blades for converting film, foil, tape, etc. Tungsten Carbide Slotted Razor Slitting Blades for cutting crash papers, film, tape, non-wovens, etc. 1