... heat conductivty of diamond 3.long life PCD cutting tools:PCD cutting tools are maily used for processing alumimum and aluminum alloys ... material , tungsten catbide, hard cartons, etc.Alication:PCD cutting tools:PCD cutting tools are maily used for processing alumimum and aluminum alloys ... graphite, stone material , tungsten catbide, hard cartons, etc. PCD and PCBN Cutting Tools,Polycrystaline Diamond