2 pack - 4" x 36" Grinding Aid Zirconia Belts (Best for: Aggressive Applications)Topically infused Grinding aid to help reduce heat and last longer during aggressive applications. Can be used on Ferrous, Non Ferrous and Exotic metals. Y weight polyester backing 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):

·         X-weight poly/cotton blend backing

weld splatter

which is much higher than the standard 50/50 blend on most other ceramics

blending and deburring applications

·         Medium Grits (100-180): For blending

o   Initial blending of welds or seams

What Backing Weight Should I Use

·         Very Fine (Light Blue) is equivalent to 240-320 grit

· J-weight poly/cotton blend backing

or make custom belts for your job

· Can also be used for more aggressive sanding

·         Y-weight polyester backing