Standard Abrasives™ Quick Change Aluminum Oxide 2 Ply Disc, 522310, P180, TSM, Brown, 1-1/2 in, Die QS150SM, 50/Car, 200 ea/Case Matting 3M SKU: 7100168123

3M SKU: 7100168123

while lighter XF-weight polyester backing is used for Grades 120-180

and titanium from thermal damage

3M SKU: 7010518208

Standard Abrasives™ Quick Change Aluminum Oxide 2 Ply Disc, 522310, P180, TSM, Brown, 1-1/2 in, Die QS150SM, 50/Car, 200 ea/Case Matting 3M SKU: 71001681233M SKU: 7100062958 Lead Time: ~2 days Choose a Standard Abrasives Quick Change Aluminum Oxide 2 Ply Disc to swiftly grind, deburr, and blend workpieces for maintenance repair operations (MRO) on ferrous metals and composites. The 2 ply backing provides added stiffness and disc life for low to medium pressure applications while yielding to accommodate both flat and contoured surfaces. 2 ply backing adds stiffness and extends performance life for low to