37" x 75" Polyester Backed Aluminum Oxide Belts (Best for: Wet Applications)Best for wet applications Can also be used for more aggressive sanding Y weight polyester backing Wet & Dry applications Choosing a Grit Coarse Grits (24 80): For heavy material removal, weld grinding, or shaping. Medium Grits (100 180): For blending, deburring, and intermediate smoothing. Fine Grits (240 400): For finishing or preparing for polishing. Super Fine (800 1200): For mirror polishing or fine detailing. Choosing a Backing Weight J Weight if

Choosing a Backing Weight

o   Light rust or oxidation removal

· Wet & Dry applications

·         Medium Grits (100-180): For blending

·         Our cork belts are 100% cork and have no “grit” to them

· Premium Zirconia is best used on Stainless Steel and hard metals

·         Dry applications

or shaping

· Can be used on Ferrous

· Best for curved/contoured applications on a variety of metals

·         Scrim backing

·         Silicon Carbide belts are great for a variety of niche applications: glass & ceramics