synthetic corundum

Synthetic corundum possesses good thermail conductivity,electrical insulation,transmission character,chemiccal stability,high heat resistance,mechanical strength and hardness.These outstanding properties make them ideal single crystal materials which are widely used in instrument bearing,watch surface,watch bearing,wear-resisting parts of precision instruments and ornaments.

Synthetic spinel has high lumunescent characteristic under the ultraviolet radiation than natural spinel,and has brighter colours.It can be used as substitutes for aquamarine,olivine, tourmaline etc. in making ornaments.

Synthetic corundum standards has 5#,4#,3#,2#,8#,46# ,white etc.

Synthetic spinel standards has 104#,106#,113#,119#,120#,112#,152# etc.