Characteristic of abrasive grain and use differentiation regarding objects to be machined
(1).①.Comparison of crystal structure
(1)Characteristic of abrasive grain
②Hardness
  Diamond CBN
Crystal structure
(cubic crystal)
Molecular formula C CBN
Lattice constant A 3.567 3.615
Density 3.514 3.480
③.Thermal invariability
④.Thermal conductivity ratio
●.Use differentiation regarding objects to be machined