GC grit 320#-4000# for precut board
The main materials of precut board are resin binder and GC abrasive micro grit. The GC grit range from 320 mesh to 4000 mesh. By adjusting the particle size of the green silicon carbide abrasive, get different fineness of precut board. This product has high requirements for the main material GC abrasive powder. Especially the particle size should be as uniform, consistent, and delicate as possible.