... complex material etc.)2.Nonferrous metals(Si-Al alloy,copper and copper alloy)Super-high wear-resistanceBTD100Average granularity 10 μm,Super ... complex material etc.)2.Nonferrous metals(Si-AL alloy,copper and copper alloy)(High speed,high effectivity,high precision)High wear ... of PCD1. Non-metal material(eg:Si-Al alloy,copper and copper alloy,powder-metal etc.)2. Ceramic mateiral,carbon fibre,optic ...