Black color,friable, semi-blocky shape,excellent micro-fracture which brings terrific performance in grinding efficiency and surface finishing,high speed machining.
Amber color,transparent,semi-blocky shape,mediun toughness,which brings good tools life and widely application.
Black color,medium toughness,semi-blocky shape,good thermal stability,which balances the grinding performance and tool life.
Dark brown color,high toughness,sharp blocky shape,better self-sharpening ability,high thermally stable characteristic,which brings fast regeneration of sharp cutting edge and longer tool life.
Black color,high toughness,blocky shape,better thermal ability,which enhances the tools life.