... and TOMEI. We also offer laser engraving service of PCBN blank.Features1. The hardness of PCD reaches 8000HV, which is 80 ... and copper. Its thermal conductivity is 700W/mK. The PCD blank can transfer heat fast.3. The friction coefficient of PCD ... metal, tungsten carbide, ceramic, nonmetal and composite material.MaterialThe PCD blank uses diamond powder and tungsten carbide.Packaging Plastic case High ...