PSA Disc

backing: self-adhesive c-wt, d-wt and e-wt paper abrasive: alumina/silicon carbide stearate coating: close, semi-open specification: without hole, one hole, 6 holes, 6+1 holes, 9 holes size: 4'', 4.5'', 5'', 6'', 7'' grit: p60-p2000 shape: disc, square, triange or customize usage: grinding, polishing, finishing, deburring, using with electric and pneumatic tool application: for grinding and polishing car body and unfinished paint surface. Features&advantages due to those holes on this product (as you see in the picture below), it can pervent clogging and therefore effectively improve the service life of this product. With a layer of coating on the surface of product, it has higher grinidng precision, and therefore, the surface of workpiece is more uniform. Backing by self-adhesive paper, it is easy to use.