Diamond or CBN abrasive grinding wheels with pores

摘要

The present invention relates to a grinding wheel having pores of diamond or CBN as abrasive grains, which is harmless to the human body and has almost no corrosion and bond crack growth of the machine and purging, and uniform formation of pores and dissolution of water absorption are immediately possible In order to achieve the above object, the present invention provides a method of forming a composite of a bond and a powdery superabsorbent polymer.