SPK® Ceramic Cutting Materials
Polycrystalline Cubic Boron Nitride (PcBN) for Machining Applications
Polycrystalline cubic boron nitride (PcBN) is the second hardest material in the world; only diamond is harder. The extensive range of PcBN high-performance cutting materials from CeramTec enables reliable HPC machining of gray cast iron workpieces.