... color is yellow Description:RVD diamond grit feasures good self-shapening and strong mechanical retention,widely used for ... than green RVD. It is belong to the lowest grade diamond, suitable for using in loose form, compounds ... raw material. It is belong to the lowest grade diamond, suitable for using in loose form, compounds ... /120,80/100,60/80,50/60,40/50,30/40,20/30,18/20,16/18 high purity synthetic ...