2 pack - 4" x 21" Premium Ceramic Belts (Best for: Exotic Metals)Our premium ceramic material has an 80% ceramic 20% alumina blend with grinding aid, which is much higher than the standard 50 50 blend on most other ceramics. Best used for exotic metals but can be used anywhere you may need a very aggressive application. 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

·         Y-Weight for tough grinding and heavy material removal on hard metals and flat surfaces

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

·         Fine (Dark Blue) is equivalent to 180-220 grit

· X-Weight for versatile

o   Achieving a smooth or satin-like finish

Choosing a Surface Conditioning Belt

What Backing Weight Should I Use

· For a more premium alternative see our “Premium Flexible” belts

· X-weight poly/cotton blend backing

·         Best for non-ferrous metals like: aluminum

or shaping

·         Can be used on a variety of materials when needing something aggressive