Specification：

SDD9001/9002

 Feature：

Being nonequivalent shape, SDD9001/9002 are needle and flake type crystals.　

 Application：

It is used in resin, ceramic & vitrified grinding wheels for grinding or polishing glass, stone， hard metal& Brittle Materials.　

 Specification：

SDD9060/9080

 Feature：

Crystals are equivalent shape with rough surface. The strength is low.　

 Application：

They are used in metal bond abrasive wheels grinding hard metal.　

 Specification：

SDD9100/9120

 Feature：

Most are relatively perfect single crystals with smooth surface and higher strength.　

 Application：

They are applicable to make different saw blades and drilling tools.　

 Specification：

SDD9150

 Feature：

Most are perfect single crystals with smooth surface and higher strength. The diaphaneity is very good。　

 Application：

It is suitable to make different cutting tools and drilling tools for stone and concrete.　

 Specification：

SDD9180

 Feature：

Most are imperfect and perfect crystals with regular shapes. With less impurity and good diaphaneity, the TI value is very high.　

 Application：

It is suitable to make the drilling, dressing tools and granite cutting tools.　

 Specification：

SDD9210

 Feature：

Most are imperfect and perfect crystals with regular shapes. With less impurity and good diaphaneity, the TI value is very high.　

 Application：

It is suitable to make the drilling, dressing tools and granite cutting tools.　

 Specification：

SDD9240

 Feature：

Most are imperfect and perfect crystals with regular shapes. With less impurity and good diaphaneity, the TI value is very high.　

 Application：

It is suitable to make the drilling, dressing tools and granite cutting tools.